Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

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. If 600 total votes were cast, how many votes did Ted get?

Accepted Answer

A) 120 
B) 204 
C) 84 
D) 192 
A) 120 
B) 204 
C) 84 
D) 192

Question 4

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.

Accepted Answer

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 
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 5

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?

Accepted Answer

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. 
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 6

Find the probability of the event.
-If a single die is tossed once, find the probability of the following event. A 7

Accepted Answer

A) 1 
B)  $\frac { 7 } { 6 }$ 
C) 7 
D) 0 
A) 1 
B)  $\frac { 7 } { 6 }$ 
C) 7 
D) 0

Question 7

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

Accepted Answer

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

Question 8

Find the probability of the event.
-If a single die is rolled, find the probability of the following event. A number less than 2?

Accepted Answer

A)  $\frac { 1 } { 9 }$ 
B)  $\frac { 5 } { 6 }$ 
C)  $\frac { 1 } { 3 }$ 
D)  $\frac { 1 } { 6 }$ 
A)  $\frac { 1 } { 9 }$ 
B)  $\frac { 5 } { 6 }$ 
C)  $\frac { 1 } { 3 }$ 
D)  $\frac { 1 } { 6 }$

Question 9

Twenty teenagers were asked to give their current savings account balances. Use the balances shown in the list to
complete the frequency distribution table.
-$$\begin{array}{l}
\begin{array} { r r r r r } 
345 & 1382 & 591 & 3265 & 3123 \
2399 & 678 & 2999 & 2299 & 1400 \
1004 & 692 & 2159 & 2148 & 2890 \
2780 & 1999 & 1234 & 1850 & 2377
\end{array}\
\begin{array} { c | c | c } 
\begin{array} { c } 
\text { Class Intervals } \
\text { (Account Balances }
\end{array} & \text { Tally } & \begin{array} { c } 
\text { Class Frequency } \
\text { (Number of Teenagers) }
\end{array} \
\hline \$ 0 - \$ 499 & & \
\$ 500 - \$ 999 & & \
\$ 1000 - \$ 1499 & & \
\$ 1500 - \$ 1999 & & \
\$ 2000 - \$ 2499 & & \
\$ 2500 - \$ 2999 & & \
\$ 3000 - \$ 3499 & &
\end{array}
\end{array}$$

Accepted Answer

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

Question 10

Find the probability of the event if a single choice is made from a bag.
-A bag contains 4 red marbles, 8 blue marbles, 7 yellow marbles, and 6 green marbles. What is the probability of choosing a yellow or green marble when one marble is drawn?

Accepted Answer

A)  $\frac { 7 } { 25 }$ 
B)  $\frac { 1 } { 2 }$ 
C)  $\frac { 13 } { 25 }$ 
D)  $\frac { 6 } { 25 }$ 
A)  $\frac { 7 } { 25 }$ 
B)  $\frac { 1 } { 2 }$ 
C)  $\frac { 13 } { 25 }$ 
D)  $\frac { 6 } { 25 }$

Question 11

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.  
-During which hours shown was the temperature greater than 76°F?

Accepted Answer

A) 10 a.m. to 3 p.m. 
B) 11 a.m. to 3 p.m. 
C) 11 a.m. to 5 p.m. 
D) 10 a.m. to 5 p.m. 
A) 10 a.m. to 3 p.m. 
B) 11 a.m. to 3 p.m. 
C) 11 a.m. to 5 p.m. 
D) 10 a.m. to 5 p.m.

Question 12

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.

Accepted Answer

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

Question 13

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

Accepted Answer

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

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 during week 5?

Accepted Answer

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

Question 15

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

Accepted Answer

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

Question 16

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.

Accepted Answer

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

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.  
-What was the increase in the number of participants from 2004 to 2005?

Accepted Answer

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

Question 18

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l l l } 
\text { outcomes } & \text { bar } & \text { experiment } & \text { mean } & \text { tree diagram } \
\text { pictograph } & \text { line } & \text { class interval } & \text { median } & \text { probability } \
\text { histogram } & \text { circle } & \text { class frequency } & \text { mode } &
\end{array}$$
-In a(n)_______graph, each section (shaped like a piece of pie)shows a category and the relative size of the category.

Accepted Answer

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

Question 19

Find the probability of the event.
-If a single die is tossed once, find the probability of the following event. A 6 or a 1

Accepted Answer

A)  $\frac { 1 } { 3 }$ 
B)  $\frac { 1 } { 6 }$ 
C) 7 
D)  $\frac { 1 } { 2 }$ 
A)  $\frac { 1 } { 3 }$ 
B)  $\frac { 1 } { 6 }$ 
C) 7 
D)  $\frac { 1 } { 2 }$

Question 20

Find the probability of the event if a single choice is made from a bag.
-A bag contains 8 red marbles, 3 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?

Accepted Answer

A)  $\frac { 4 } { 3 }$ 
B)  $\frac { 3 } { 4 }$ 
C) 9 
D)  $\frac { 1 } { 4 }$ 
A)  $\frac { 4 } { 3 }$ 
B)  $\frac { 3 } { 4 }$ 
C) 9 
D)  $\frac { 1 } { 4 }$

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

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

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. If 600 total votes were cast, how many votes did Ted get?

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.

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?

Find the probability of the event. -If a single die is tossed once, find the probability of the following event. A 7

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

Find the probability of the event. -If a single die is rolled, find the probability of the following event. A number less than 2?

Find the probability of the event if a single choice is made from a bag. -A bag contains 4 red marbles, 8 blue marbles, 7 yellow marbles, and 6 green marbles. What is the probability of choosing a yellow or green marble when one marble is drawn?

The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. -During which hours shown was the temperature greater than 76°F?

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.

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

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?

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

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.

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?

Find the probability of the event. -If a single die is tossed once, find the probability of the following event. A 6 or a 1

Find the probability of the event if a single choice is made from a bag. -A bag contains 8 red marbles, 3 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?

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