Deck 7: Statistics and Probability

Question 1

The bar graph shows the expenditures of one city government in a recent year.
How much more is spent on Health than on Fire?

A)$4.3 million
B)$2.6 million
C)$1.1 million
D)$2.4 million

Answer 1

$1.1 million

Question 2

The following pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the
years 2003-2009. Use the graph to answer the question.
How many cyclists participated in 2003?

A)100 cyclists
B)90 cyclists
C)50 cyclists
D)65 cyclists

Answer 2

90 cyclists

Question 3

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
During which week were 19 tickets sold?

A)week 1
B)week 2
C)week 6
D)week 3

Answer 3

week 6

Question 4

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
How many tickets were sold in all?

A)205 tickets
B)215 tickets
C)105 tickets
D)195 tickets

Question 5

Use the information given to draw a vertical bar graph. Clearly label the bars on the graph shown below.
Visitors of Jazz Festival

Question 6

The following pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the
years 2003-2009. Use the graph to answer the question.
In what year did the greatest number of cyclists participate?

A)1997
B)2009
C)2007
D)1996

Question 7

The following pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the
years 2003-2009. Use the graph to answer the question.
Approximate the total number of cyclists who participated in 2005 and 2006.

A)150 cyclists
B)130 cyclists
C)160 cyclists
D)140 cyclists

Question 8

The following pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the
years 2003-2009. Use the graph to answer the question.
In what years was there an increase in the number of cyclists who participated in the race?

A)2003, 2005, 2009
B)2004, 2005, 2009
C)2004, 2006, 2007
D)2005, 2008, 2009

Question 9

The bar graph shows the expenditures of one city government in a recent year.
Name the agency whose spending is between $3 million and $4 million and estimate its value.

A)Fire; $3.2 million
B)Fire; $4.3 million
C)Environment; $3.2 million
D)Environment; $4.3 million

Question 10

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
During which week was the fewest number of tickets sold?

A)week 6
B)week 5
C)week 2
D)week 4

Question 11

The following pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the
years 2003-2009. Use the graph to answer the question.
What was the greatest number of cyclists to participate in any one year?

A)20 cyclists
B)50 cyclists
C)100 cyclists
D)120 cyclists

Question 12

The bar graph shows the expenditures of one city government in a recent year.
Name the agency with the smallest spending and estimate this value.

A)Environment; $3.2 million
B)All Other Agencies; $8.2 million
C)Human Resources; $24.2 million
D)Health; $5.4 million

Question 13

The histogram shows the scores of each participant in a game from a total of 100 participants.
How many participants scored 40-59?

A)38 participants
B)16 participants
C)3 participants
D)25 participants

Question 14

The following pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the
years 2003-2009. Use the graph to answer the question.
What was the increase in the number of participants from 2004 to 2005?

A)45 cyclists
B)30 cyclists
C)40 cyclists
D)35 cyclists

Question 15

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
How many more tickets were sold during week 6 than week 2?

A)30 tickets
B)13 tickets
C)8 tickets
D)18 tickets

Question 16

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
During which week was the most number of tickets sold?

A)week 5
B)week 2
C)week 1
D)week 4

Question 17

The following pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the
years 2003-2009. Use the graph to answer the question.
In what years was there a decline in the number of cyclists who participated in the race?

A)2004, 2006
B)2004, 2006, 2007
C)2004, 2006, 2007, 2008
D)2005, 2008, 2009

Question 18

The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.
How many tickets were sold during week 5?

A)40 tickets
B)46 tickets
C)19 tickets
D)11 tickets

Question 19

The following pictograph shows the number of bicyclists who participated in the Labor Day weekend bicycle race for the
years 2003-2009. Use the graph to answer the question.
In what year did 85 cyclists participate?

A)2004
B)2008
C)2009
D)2003

Question 20

Use the information given to draw a vertical bar graph. Clearly label the bars on the graph shown below.
Entree Choices of Customers During One Week

Question 21

The histogram shows the scores of each participant in a game from a total of 100 participants.
How many more participants scored 80-99 than 20-39?

A)16 participants
B)4 participants
C)32 participants
D)13 participants

Question 22

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.
The circle graph shows what percent of the vote each person received. Who got the fewest votes?

A)Ben
B)Matt
C)Gina
D)Ted

Question 23

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
At what time was the temperature its lowest?

A)9 a.m.
B)1 p.m.
C)6 p.m.
D)4 p.m.

Question 24

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
During which hour did the temperature increase the most?

A)10 a.m. to 11 a.m.
B)9 a.m. to 10 a.m.
C)1 p.m. to 2 p.m.
D)12 p.m. to 1 p.m.

Question 25

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.
The circle graph shows what percent of the vote each person received. Who got the most votes?

A)Jim
B)Ben
C)Ann
D)Matt

Question 26

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
At what time was the temperature the highest?

A)11 a.m.
B)2 p.m.
C)1 p.m.
D)5 p.m.

Question 27

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.
Student Council President The circle graph shows what percent of the vote each person received. Who received the second most number of votes?

A)Ben
B)Gina
C)Ming
D)Ted

Question 28

The list shows the scores for a basketball team. Use the list to complete the frequency distribution table and construct a histogram.

- $$\begin{array}{l}\begin{array} { l l l l l } 40 & 31 & 35 & 28 & 19 \\17 & 26 & 33 & 31 & 30 \\28 & 29 & 29 & 26 & 27\end{array}\\\begin{array} { c | c | c } \begin{array} { c } \text { Class Intervals } \\\text { (Scores) }\end{array} & \text { Tally } & \begin{array} { c } \text { Class Frequency } \\\text { (Number of Games) }\end{array} \\\hline 10 - 19 & & \\20 - 29 & & \\30 - 39 & & \\40 - 49 & &\end{array}\\\begin{array} { | l | } \hline \\\hline \\\hline \\\hline \\\hline \\\hline \\\hline \\\hline \\\hline\end{array}\end{array}$$

Question 29

The histogram shows the scores of each participant in a game from a total of 100 participants.
How many participants scored fewer than 40?

A)18 participants
B)97 participants
C)81 participants
D)43 participants

Question 30

Twenty teenagers were asked to give their current savings account balances. Use the balances shown in the list to
complete the frequency distribution table and construct a histogram.

Question 31

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.

- The circle graph shows what percent of the vote each person received. Find the ratio of Ann's votes to Gina's votes.

A) $\frac { 20 } { 29 }$
B) $\frac { 4 } { 5 }$
C) $\frac { 5 } { 4 }$
D) $\frac { 1 } { 5 }$

Question 32

The histogram shows the scores of each participant in a game from a total of 100 participants.

-What is the ratio of participants who score 20-39 to the total number of participants?

A) $\frac { 25 } { 3 }$
B) $\frac { 19 } { 50 }$
C) $\frac { 3 } { 25 }$
D) $\frac { 1 } { 4 }$

Question 33

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.

- 300 total votes The circle graph shows what percent of the vote each person received.How many votes did Ted get?

A)60
B)42
C)96
D)102

Question 34

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.

-Student Council President The circle graph shows what percent of the vote each person received. Find the ratio of Ming's votes to total votes cast.

A) $\frac { 17 } { 33 }$
B) $\frac { 17 } { 50 }$
C) $\frac { 50 } { 17 }$
D) $\frac { 33 } { 17 }$

Question 35

The double-line graph shows temperature highs and lows for a week.
What was the high temperature reading on Wednesday?

Question 36

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
During which two hour period did the temperature increase the most?

A)9 a.m. to 11 a.m.
B)10 a.m. to 11 a.m.
C)10 a.m. to 12 p.m.
D)12 p.m. to 2 p.m.

Question 37

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
What temperature was recorded at 1 p.m.?

A)77 ° F
B)80 ° F
C)79 ° F
D)81 ° F

Question 38

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.
At what time was the temperature 73°?

A)5 p.m.
B)9 a.m.
C)10 a.m.
D)10 a.m. and 11 a.m.

Question 39

The double-line graph shows temperature highs and lows for a week.

-On what day of the week was the difference between the high temperature and the low temperature the least? What was this difference in temperature?

Question 40

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.
Student Council President The circle graph shows what percent of the vote each person received. What percent of the votes did Matt and Ben receive together?

A)22%
B)39%
C)61%
D)17%

Question 41

Fill in the table. Round to the nearest degree. Then draw a circle graph to represent the information given in the table.

Question 42

Find the mean. If necessary, round to one decimal place.
5, 4, 10, 6, 12, 9

A)9.2
B)8.2
C)7.7
D)6.2

Question 43

The circle graph summarizes the results of a survey of the favorite movie category chosen by a group of adults.

-2400 adults answer the survey. Find the ratio of number of respondents who favor others to those who favor comedies. Write the ratio as a
Fraction with integers in the numerator and denominator.

A) $\frac { 428 } { 335 }$
B) $\frac { 93 } { 335 }$
C) $\frac { 335 } { 93 }$
D) $\frac { 2232 } { 335 }$

Question 44

Find the mean. If necessary, round to one decimal place.
18, 14, 8, 14, 8, 4, 4

A)11.5
B)10
C)11.7
D)9.5

Question 45

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.
Student Council President The circle graph shows what percent of the vote each person received. What percent of the votes did Ben NOT get?

A)72%
B)25%
C)75%
D)68%

Question 46

The circle graph summarizes the results of a survey of the favorite movie category chosen by a group of adults.
1800 adults answer the survey. How many of the survey respondents said that they favor comedies? Round to the nearest whole.

A)3350 respondents
B)481 respondents
C)603 respondents
D)167 respondents

Question 47

Find the mean. If necessary, round to one decimal place.
5, 15, 13, 6, 15, 3, 9, 6

A)9
B)11
C)8
D)10.3

Question 48

Find the median. If necessary, round to one decimal place.
1, 8, 17, 21, 32, 33, 50

A)23.6
B)32
C)21
D)17

Question 49

Find the mean. If necessary, round to one decimal place.
1.3, 0.7, 0.9, 1.3, 0.5, 1.5, 0.5, 1.6, 2

A)1.1
B)10.3
C)1
D)1.2

Question 50

Find the mean. If necessary, round to one decimal place.
20, 7, 23, 20

A)18
B)17.5
C)25.7
D)16

Question 51

Find the median. If necessary, round to one decimal place.
2, 2, 22, 13, 28, 42, 39, 32

A)22.5
B)28
C)25
D)22

Question 52

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.
Student Council President The circle graph shows what percent of the vote each person received. What percent of the votes did Ben NOT get?

A)85%
B)15%
C)72%
D)68%

Question 53

Find the median. If necessary, round to one decimal place.
8, 12, 25, 23, 41, 49

A)22.5
B)25
C)23
D)24

Question 54

Find the mean. If necessary, round to one decimal place.
19, 41, 83, 20, 115, 63

A)56.8
B)68.2
C)57.3
D)56.3

Question 55

Find the mean. If necessary, round to one decimal place.
76, 46, 76, 99, 46

A)69.1
B)85.8
C)68.6
D)68.1

Question 56

Find the mean. If necessary, round to one decimal place.
154, 117, 245, 150

A)222
B)166
C)166.5
D)167

Question 57

Fill in the table. Round to the nearest degree. Then draw a circle graph to represent the information given in the table.

Question 58

Find the median. If necessary, round to one decimal place.
9, 4, 21, 13, 47, 42, 37

A)37
B)21
C)13
D)25.2

Question 59

The circle graph shows the results of the student council presidential election. The complete circular area represents 100%
of the votes.
Student Council President The circle graph shows what percent of the vote each person received. How many people voted for someone other than Ben?

A)182
B)518
C)560
D)525

Question 60

Find the median. If necessary, round to one decimal place.
14, 14, 31, 50, 66, 75, 77

A)31
B)47.2
C)50
D)66

Question 61

Draw a tree diagram to find the number of possible outcomes.
Pick a number from 1, 2, 3 or 4, and then toss a coin.

A)8 outcomes
B)2 outcomes
C)6 outcomes
D)1 outcome

Question 62

Find the mode or modes (if any).
91, 34, 32, 34, 29, 91

A)91
B)51.8
C)34
D)91, 34

Question 63

Find the mode or modes (if any).
7.05, 7.41, 7.56, 7.05, 7.88, 7.99, 7.62

A)7.56
B)7.509
C)7.05
D)7.41

Question 64

Find the probability of the event.

-If a single die is tossed once, find the probability of the following event. A 4

A) $\frac { 1 } { 6 }$
B)0
C)4
D) $\frac { 2 } { 3 }$

Question 65

Solve. If necessary, round answers to the nearest hundredth.

-The grades are given for a student for a particular semester. Find the grade point average. The point values of grades are given below. $$\begin{array}{l}A:4,&B:3,&C:2,&D:1,&F:0\\\end{array}$$

$$\begin{array} { c c } \hline \text { Grade } & \text { Credit Hours } \\\hline \text { C } & 2 \\\text { F } & 1 \\\text { A } & 1 \\\text { B } & 2 \\\text { F } & 2\end{array}$$

A)1.8
B)8
C)1.75
D)1.6

Question 66

Find the mode or modes (if any).
20, 38, 46, 38, 49, 38, 49

A)38
B)49
C)46
D)39.7

Question 67

Draw a tree diagram to find the number of possible outcomes.
Toss two coins.

A)2 outcomes
B)1 outcome
C)4 outcomes
D)3 outcomes

Question 68

Draw a tree diagram to find the number of possible outcomes.
Toss two six-sided dice.

A)36 outcomes
B)2 outcomes
C)12 outcomes
D)1 outcome

Question 69

Draw a tree diagram to find the number of possible outcomes.
Toss three coins.

A)1 outcome
B)3 outcomes
C)8 outcomes
D)6 outcomes

Question 70

Solve. If necessary, round answers to the nearest hundredth.
The following test scores were recorded for a student: 80, 72, 68, 68, 80, 82. Find the mean, median, and mode.

A)mean: 76 median: 76 mode: 68
B)mean: 76 median: 75 mode: 80
C)mean: 75 median: 76 mode: 68 and 80
D)mean: 75 median: 68 mode: 82

Question 71

Solve. If necessary, round answers to the nearest hundredth.
The following test scores were recorded for a student: 98, 55, 96, 55, 81. Find the mean, median, and mode.

A)mean: 77 median: 81 mode: 98
B)mean: 77 median: 81 mode: 55
C)mean: 82.5 median: 96 mode: 98
D)mean: 96.3 median: 88.5 mode: 55

Question 72

Find the median. If necessary, round to one decimal place.
48, 19, 6, 5, 24, 16, 23, 47, 40, 33

A)24
B)23
C)26.1
D)23.5

Question 73

Draw a tree diagram to find the number of possible outcomes.
Toss a single die, and then toss a coin.

A)12 outcomes
B)8 outcomes
C)6 outcomes
D)2 outcomes

Question 74

Find the mode or modes (if any).
1.5, 0.5, 0.7, 1.5, 0.3, 1.7, 0.3, 1.8, 2.2

A)0.3 and 1.5
B)1.2
C)1.5
D)0.3

Question 75

Find the median. If necessary, round to one decimal place.
1.5, 0.5, 0.7, 1.5, 0.3, 1.7, 0.3, 1.8, 2.2

A)1.2
B)1.5
C)1.1
D)0.8

Question 76

Solve. If necessary, round answers to the nearest hundredth.
The following test scores were recorded for a student: 100, 95, 93, 89, 95, 81, 91. Find the mean, median, and mode.

A)mean: 92 median: 93 mode: 95
B)mean: 93 median: 89 mode: 95
C)mean: 92 median: 89 mode: 100
D)mean: 93 median: 92 mode: 100

Question 77

Find the mode or modes (if any).
86, 25, 86, 13, 25, 29, 56, 86

A)42.5
B)50.8
C)86
D)no mode

Question 78

Solve. If necessary, round answers to the nearest hundredth.
The following test scores were recorded for a student: 71, 68, 66, 65, 74, 70. Find the mean, median, and mode.

A)mean: 68 median: none mode: none
B)mean: 70 median: none mode: 74
C)mean: 69 median: 65 mode: 74
D)mean: 69 median: 69 mode: none

Question 79

Draw a tree diagram to find the number of possible outcomes.
Choose a number, 1, 2, 3, 4, and then a vowel, a,e,i,o,u.

A)16 outcomes
B)9 outcomes
C)20 outcomes
D)5 outcomes

Question 80

Find the mode or modes (if any).
5, 9, 18, 3, 2, 8, 96, 1, 4, 16

A)8
B)15.6
C)9
D)no mode