Question 1

Find the mean, median, and mode of the list of numbers. If necessary, round to the nearest tenth.
-100, 67, 84, 67, 81

Accepted Answer

A) mean: 79.8 median: 81 mode: 67 
B) mean: 83 median: 84 mode: 100 
C) mean: 99.8 median: 82.5 mode: 67 
D) mean: 79.8 median: 81 mode: 100 
A) mean: 79.8 median: 81 mode: 67 
B) mean: 83 median: 84 mode: 100 
C) mean: 99.8 median: 82.5 mode: 67 
D) mean: 79.8 median: 81 mode: 100

Question 2

Find the grade point average. If necessary, round to the nearest hundredth.
-$$\begin{array} { c c } 
\hline \text { Grade } & \text { Credit Hours } \
\hline \text { A } & 2 \
\text { C } & 1 \
\text { D } & 1 \
\text { F } & 2 \
\text { C } & 2 \
\hline
\end{array}$$

Accepted Answer

A) 1.88 
B) 1.6 
C) 8 
D) 1.8 
A) 1.88 
B) 1.6 
C) 8 
D) 1.8

Question 3

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l l l } 
\text { outcomes } & \text { bar } & \text { experiment } & \text { mean } & \text { tree diagram } \
\text { pictograph } & \text { line } & \text { class interval } & \text { median } & \text { probability } \
\text { histogram } & \text { circle } & \text { class frequency } & \text { mode } &
\end{array}$$
-A(n)_______is one way to picture and count outcomes.

Accepted Answer

A) tree diagram 
B) histogram 
C) class interval 
D) pictogram 
A) tree diagram 
B) histogram 
C) class interval 
D) pictogram

Question 4

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l l l } 
\text { outcomes } & \text { bar } & \text { experiment } & \text { mean } & \text { tree diagram } \
\text { pictograph } & \text { line } & \text { class interval } & \text { median } & \text { probability } \
\text { histogram } & \text { circle } & \text { class frequency } & \text { mode } &
\end{array}$$
-A(n)_______graph presents data using vertical or horizontal bars.

Accepted Answer

A) circle 
B) bar 
C) line 
D) probability 
A) circle 
B) bar 
C) line 
D) probability

Question 5

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.

Accepted Answer

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

Question 6

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l l l } 
\text { outcomes } & \text { bar } & \text { experiment } & \text { mean } & \text { tree diagram } \
\text { pictograph } & \text { line } & \text { class interval } & \text { median } & \text { probability } \
\text { histogram } & \text { circle } & \text { class frequency } & \text { mode } &
\end{array}$$
-The_______ of a set of numbers is the number that occurs the most often.

Accepted Answer

A) mean 
B) probability 
C) mode 
D) median 
A) mean 
B) probability 
C) mode 
D) median

Question 7

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?

Accepted Answer

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

Question 8

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

Accepted Answer

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

Question 9

Find the probability of the event if a single choice is made from a bag.
-A bag contains 6 red marbles, 6 blue marbles, 6 yellow marbles, and 7 green marbles. What is the probability of choosing a red marble when one marble is drawn?

Accepted Answer

A)  $\frac { 6 } { 25 }$ 
B)  $\frac { 1 } { 4 }$ 
C)  $\frac { 1 } { 25 }$ 
D)  $\frac { 6 } { 19 }$ 
A)  $\frac { 6 } { 25 }$ 
B)  $\frac { 1 } { 4 }$ 
C)  $\frac { 1 } { 25 }$ 
D)  $\frac { 6 } { 19 }$

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 were 19 tickets sold?

Accepted Answer

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

Question 11

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.

Accepted Answer

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

Question 12

The pictograph shows the number of bicycles sold at Mountain Biking Mania for a 7-week period. Number of Bicycles Sold at Mountain Biking Mania
 
-What was the total number of bicycles sold in this 7-week period?

Accepted Answer

A) 545 bicycles 
B) 535 bicycles 
C) 530 bicycles 
D) 520 bicycles 
A) 545 bicycles 
B) 535 bicycles 
C) 530 bicycles 
D) 520 bicycles

Question 13

Find the probability of the event.
-If a single die is tossed once, find the probability of the following event. An even number.

Accepted Answer

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

Question 14

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?

Accepted Answer

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

Question 15

Find the probability of the event.
-If a single die is tossed once, find the probability of the following event. A 1 or a 4 or a 3

Accepted Answer

A)  $\frac { 1 } { 3 }$ 
B)  $\frac { 1 } { 6 }$ 
C)  $\frac { 1 } { 2 }$ 
D) 8 
A)  $\frac { 1 } { 3 }$ 
B)  $\frac { 1 } { 6 }$ 
C)  $\frac { 1 } { 2 }$ 
D) 8

Question 16

Solve.
-A new drug is being tested that is supposed to lower cholesterol. This drug was given to 300 people and the results are below. $ \begin{array}{lll}\text {Lower}&\text { Higher }&\text {Cholesterol }\\text {Cholesterol }&\text {Cholesterol }&\text {not Changed }\114 & 40 & 146\end{array} $ If a person is testing this drug, what is the probability that their cholesterol will be higher?

Accepted Answer

A)  $\frac { 31 } { 50 }$ 
B)  $\frac { 77 } { 150 }$ 
C)  $\frac { 2 } { 15 }$ 
D)  $\frac { 13 } { 15 }$ 
A)  $\frac { 31 } { 50 }$ 
B)  $\frac { 77 } { 150 }$ 
C)  $\frac { 2 } { 15 }$ 
D)  $\frac { 13 } { 15 }$

Question 17

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?

Accepted Answer

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

Question 18

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

Accepted Answer

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

Question 19

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.
-$$\begin{array}{l}
\begin{array} { r r r r r } 
499 & 1400 & 678 & 3123 & 3009 \
2299 & 692 & 2890 & 2159 & 1004 \
1234 & 900 & 2148 & 2377 & 2780 \
2550 & 1850 & 1049 & 1750 & 2289
\end{array}\
\begin{array} { c | c | c } 
\begin{array} { c } 
\text { Class Intervals } \
\text { (Account Balances }
\end{array} & \text { Tally } & \begin{array} { c } 
\text { Class Frequency } \
\text { (Number of Teenagers) }
\end{array} \
\hline \$ 0 - \$ 499 & & \
\$ 500 - \$ 999 & & \
\$ 1000 - \$ 1499 & & \
\$ 1500 - \$ 1999 & & \
\$ 2000 - \$ 2499 & & \
\$ 2500 - \$ 2999 & & \
\$ 3000 - \$ 3499 & &
\end{array}\
\begin{array} { | l | } 
\hline \
\hline \
\hline \
\hline \
\hline \
\hline
\end{array}
\end{array}$$

Accepted Answer

The answer of Twenty teenagers were asked to give their...

Question 20

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

Accepted Answer

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

Find the mean, median, and mode of the list of numbers. If necessary, round to the nearest tenth. -100, 67, 84, 67, 81

Find the grade point average. If necessary, round to the nearest hundredth. - Grade Credit Hours A 2 C 1 D 1 F 2 C 2

Fill in the blank with one of the words or phrases listed below. outcomes bar experiment mean tree diagram pictograph line class interval median probability histogram circle class frequency mode -A(n)_______is one way to picture and count outcomes.

Fill in the blank with one of the words or phrases listed below. outcomes bar experiment mean tree diagram pictograph line class interval median probability histogram circle class frequency mode -A(n)_______graph presents data using vertical or horizontal bars.

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.

Fill in the blank with one of the words or phrases listed below. outcomes bar experiment mean tree diagram pictograph line class interval median probability histogram circle class frequency mode -The_______ of a set of numbers is the number that occurs the most often.

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?

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

Find the probability of the event if a single choice is made from a bag. -A bag contains 6 red marbles, 6 blue marbles, 6 yellow marbles, and 7 green marbles. What is the probability of choosing a red marble when one marble is drawn?

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?

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.

The pictograph shows the number of bicycles sold at Mountain Biking Mania for a 7-week period. Number of Bicycles Sold at Mountain Biking Mania -What was the total number of bicycles sold in this 7-week period?

Find the probability of the event. -If a single die is tossed once, find the probability of the following event. An even number.

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?

Find the probability of the event. -If a single die is tossed once, find the probability of the following event. A 1 or a 4 or a 3

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?

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

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

The Whole Numbers

Multiplying and Dividing Fractions

Adding and Subtracting Fractions

Decimals

Ratio, Proportion, and Percent

Geometry

Real Numbers and Introduction to Algebra

Equations, Inequalities, and Problem Solving

Graphing Equations and Inequalities

Systems of Equations

Exponents and Polynomials

Factoring Polynomials

Rational Expressions

Roots and Radicals

Quadratic Equations and Nonlinear Graphs

Algebraic Equations and Inequalities

Filters

Exam 7: Statistics and Probability