Question 1

The stem-and-leaf diagram below shows the highest wind velocity ever recorded in 30 different U.S. cities. The velocities are given in miles per hour. The leaf unit is 1.0. 
$$\begin{array} { l | l } 
6 & 4 \
7 & 23 \
7 & 589 \
8 & 0111344 \
8 & 5568899 \
9 & 0012234 \
9 & 559
\end{array}$$ How many of the maximum wind velocities are 88 miles per hour or lower?
A) 2
B) 5
C) 11
D) 18

Accepted Answer

The answer of The stem-and-leaf diagram below shows the highest...

Question 2

A machine is supposed to fill juice bottles with 16 fluid ounces of juice. The manufacturer picks a sample of bottles that have been filled by the machine and determines the volume of juice in each bottle. The results are shown in the stem-and-leaf diagram below. The leaf unit is 0.1. 
$$\begin{array} { l | l } 
15 & 1 \
15 & \
15 & 445 \
15 & 667777 \
15 & 888899999 \
16 & 000000011111 \
16 & 222233333 \
16 & 445 \
16 & 66 \
16 & 8
\end{array}$$ How many bottles had exactly 16 fluid ounces (to the nearest 0.1 ounce)?
A) 0
B) 6
C) 11
D) 25

Accepted Answer

The stem-and-leaf diagram shows that 6 bottles had exactly 16 fluid ounces (to the nearest 0.1 ounce).

Question 3

Using the graphical display below.

-Identify the class that had the lowest percentage increase in 2.5 or better GPA's between the fourth and fifth decades.
A) Sr
B) Jr
C) So
D) Fr

Accepted Answer

The Sr class had the lowest percentage increase in 2.5 or better GPA's between the fourth and fifth decades compared to the other classes.

Question 4

Which line chart below represents the data in the table?
 $$\begin{array}{l}
\hline \text { Student Quiz Scores }\
\begin{array} { l | c } 
\hline \text { Quiz Scores } & \text { Frequency } \
\hline 10 - 14 & 2 \
15 - 19 & 5 \
20 - 24 & 13 \
25 - 29 & 17 \
30 - 34 & 6 \
\hline
\end{array}
\end{array}$$

A)

B)

C)

D) None of the above

Accepted Answer

The answer of Which line chart below represents the data...

Question 5

The data below represent the results of a poll in which the following question was asked: "To what degree are you satisfied with your current health insurance?" Which pie chart below
Represents the given data set?

$ \begin{array}{ll}\text { Very } & 14.5 \% \ \text { Somewhat } & 26.3 \% \ \text { Not at All } & 36.8 \% \ \text { No opinion } & 22.4 \%\end{array} $

A)

B)

Accepted Answer

The answer of The data below represent the results of...

Question 6

The time series line chart below shows the prices of a volatile stock from January 1999 to December 1999. Between which two consecutive months did the price of the stock drop by The greatest percentage?

A) June - July
B) August - September
C) May - June
D) None of the above

Accepted Answer

The answer of The time series line chart below shows...

Question 7

The table shows the end-of-the-month checking account balance of a statistics teacher for the months January 1999 through December 1999 as determined by the closing balance on the last banking day of the month. The balance is rounded to the nearest dollar.
$$\begin{array} { l l l l l l l l l l l l } 
\text { Jan } & \text { Feb } & \text { Mar } & \text { Apr } & \text { May } & \text { Jun } & \text { Jul } & \text { Aug } & \text { Sep } & \text { Oct } & \text { Nov } & \text { Dec } \
\hline 1112 & 1356 & 1627 & 1936 & 1743 & 1481 & 1490 & 1340 & 1139 & 910 & 700 & 500
\end{array}$$ Which time series line chart represents the data? 
A)

B)

C)
 
D) None of the above

Accepted Answer

The answer of The table shows the end-of-the-month checking account...

Question 8

Over the past 4 years of football games the Thunder gained the number of yards rushing as shown in the following table. $$\begin{array} { | l | c | } 
\hline \text { Yards } & \text { Frequency } \
\hline 50 - 99 & 2 \
\hline 100 - 149 & 7 \
\hline 150 - 199 & 24 \
\hline 200 - 249 & 6 \
\hline 250 - 300 & 1 \
\hline
\end{array}$$ Construct a relative frequency table for these data.

Accepted Answer

The answer of Over the past 4 years of football...

Question 9

Using the graphical display below.

-Identify the utility that has its smallest percentage of the total bill in March.
A) Gas
B) Electric
C) Water
D) None of the utilities has its smallest percentage of the total bill in March.

Accepted Answer

Without specific data on the percentage of each utility in the total bill for March, it cannot be determined which utility has the smallest percentage.

Question 10

A car dealer is deciding what kinds of vehicles he should order from the factory. He looks at his sales report for the preceding period. Choose the vertical scale so that the relative frequencies are represented.

$$\begin{array} { r | r } 
\text { Vehicle } & \text { Sales } \
\hline \text { Economy } & 16 \
\text { Sports } & 4 \
\text { Family } & 28 \
\text { Luxury } & 8 \
\text { Truck } & 24
\end{array}$$ Construct a Pareto chart to help him decide.

Accepted Answer

The answer of A car dealer is deciding what kinds...

Question 11

States with high deer populations have a large number of car-deer collisions. A survey of 30 drivers aged 40-49 in Wisconsin asked each driver how many such collisions they had had since obtaining a driver's license. The data were $$\begin{array} { l l l l l l l l l l } 
4 & 0 & 3 & 6 & 3 & 2 & 4 & 1 & 1 & 2 \
8 & 2 & 1 & 3 & 5 & 1 & 1 & 2 & 1 & 5 \
0 & 0 & 9 & 2 & 6 & 5 & 3 & 2 & 4 & 4
\end{array}$$ 
Obtain a frequency table for these data using one value for each class.

Accepted Answer

The answer of States with high deer populations have a...

Question 12

The frequency table shows the weights in ounces of 30 stones. $$\begin{array} { c | c } 
\text { Weight (oz) } & \text { Number of Stones } \
\hline 1.2 - 1.6 & 3 \
1.7 - 2.1 & 2 \
2.2 - 2.6 & 5 \
2.7 - 3.1 & 6 \
3.2 - 3.6 & 14
\end{array}$$ Construct the relative frequency table from the given frequency table.

Accepted Answer

The answer of The frequency table shows the weights in...

Question 13

The data below is the number of hours of homework done as reported by 24 high school juniors for the last week in September, 2006.
6, 5, 6, 4, 6, 6, 9, 7, 6, 3, 8, 5, 5, 8, 6, 5, 8, 6, 5, 7, 5, 8, 7, 4
Using bins of 2 hours width beginning at 3, construct the cumulative frequency histogram.

Accepted Answer

The answer of The data below is the number of...

Question 14

The bar chart shows the relative frequencies of winners of the Wimbledon women's singles tennis title for 1976 - 1995. 
 
How many titles did Graf and Navratilova win?
A)0.75
B)14
C)15
D)40

Accepted Answer

The answer of The bar chart shows the relative frequencies...

Question 15

Using the graphical display below.

-Identify the class that has had the greatest percentage increase with respect to its initial percentage over the five decades.
A) Fr
B) So
C) Jr
D) Sr

Accepted Answer

The class "Fr" has had the greatest percentage increase with respect to its initial percentage over the five decades.

Question 16

Find the original data from the stem-and-leaf plot. $$\begin{array} { c | c } 
\text { Stem } & \text { Leaves } \
\hline 7.1 & 18 \
7.2 & 88 \
7.3 & 188
\end{array}$$
A) 7.11, 7.18, 7.28, 7.28, 7.31, 7.38, 7.38
B) 0.81, 1.51, 1.52, 1.52, 0.83, 1.53, 1.53
C) 0.81, 0.81, 1.52, 1.52, 1.52, 0.83, 1.53, 1.54
D) 711, 712, 728, 728, 731, 738, 738

Accepted Answer

The answer of Find the original data from the stem-and-leaf...

Question 17

A nurse measured the blood pressure of each person who visited her clinic. Following is a relative-frequency histogram for the systolic blood pressure readings for those people aged between 25 and 40. Use the histogram to answer the question. The blood pressure readings were rounded down to the next whole number.

Given that 600 people were aged between 25 and 40, approximately how many had a systolic blood pressure reading recorded as between 120 and 149 inclusive?
A) 48%
B) 250
C) 288
D) 300

Accepted Answer

The answer of A nurse measured the blood pressure of...

Question 18

Using the graphical display below.
 
-Identify the utility that accounts for over half the total bill in two months.
A) Water
B) Electric
C) Gas
D) No single utility accounts for more than half the total bill in two months.

Accepted Answer

Electric is the only utility that accounts for over half the total bill in two months.

Question 19

Find the original data from the stem-and-leaf plot. $$\begin{array} { r | l } 
\text { Stem } & \text { Leaves } \
\hline 1 & 18 \
2 & 1137 \
3 & 13389 \
4 & 34
\end{array}$$
A) 11, 18, 23, 23, 27, 33, 34, 38, 39, 43, 44
B) 2, 9, 2, 2, 4, 8, 4, 4, 6, 11, 12, 7, 8, 12
C) 13, 13, 14, 21, 21, 23, 27, 31, 31, 43, 44
D) 11, 18, 21, 21, 23, 27, 31, 33, 33, 38, 39, 43, 44

Accepted Answer

The stem-and-leaf plot represents numbers where the stem is the tens digit and the leaves are the units digit. The original data is: 11, 18, 21, 21, 23, 27, 31, 33, 33, 38, 39, 43, 44.

Question 20

Construct a frequency table for the numbers of persons with various blood types.

Accepted Answer

The answer of Construct a frequency table for the numbers...

Quiz 3: Visual Displays of Data Exam

Using the graphical display below. -Identify the class that had the lowest percentage increase in 2.5 or better GPA's between the fourth and fifth decades.

Which line chart below represents the data in the table? $\begin{array}{l}\hline \text { Student Quiz Scores }\\\begin{array} { l | c } \hline \text { Quiz Scores } & \text { Frequency } \\\hline 10 - 14 & 2 \\15 - 19 & 5 \\20 - 24 & 13 \\25 - 29 & 17 \\30 - 34 & 6 \\\hline\end{array}\end{array}$

The time series line chart below shows the prices of a volatile stock from January 1999 to December 1999. Between which two consecutive months did the price of the stock drop by The greatest percentage?

Using the graphical display below. -Identify the utility that has its smallest percentage of the total bill in March.

The data below is the number of hours of homework done as reported by 24 high school juniors for the last week in September, 2006. 6, 5, 6, 4, 6, 6, 9, 7, 6, 3, 8, 5, 5, 8, 6, 5, 8, 6, 5, 7, 5, 8, 7, 4 Using bins of 2 hours width beginning at 3, construct the cumulative frequency histogram.

The bar chart shows the relative frequencies of winners of the Wimbledon women's singles tennis title for 1976 - 1995. How many titles did Graf and Navratilova win?

Using the graphical display below. -Identify the class that has had the greatest percentage increase with respect to its initial percentage over the five decades.

Find the original data from the stem-and-leaf plot. $\begin{array} { c | c } \text { Stem } & \text { Leaves } \\\hline 7.1 & 18 \\7.2 & 88 \\7.3 & 188\end{array}$

Using the graphical display below. -Identify the utility that accounts for over half the total bill in two months.

Find the original data from the stem-and-leaf plot. $\begin{array} { r | l } \text { Stem } & \text { Leaves } \\\hline 1 & 18 \\2 & 1137 \\3 & 13389 \\4 & 34\end{array}$

Construct a frequency table for the numbers of persons with various blood types.

Quiz 3: Visual Displays of Data Exam

Using the graphical display below. -Identify the class that had the lowest percentage increase in 2.5 or better GPA's between the fourth and fifth decades.

The time series line chart below shows the prices of a volatile stock from January 1999 to December 1999. Between which two consecutive months did the price of the stock drop by The greatest percentage?

Using the graphical display below. -Identify the utility that has its smallest percentage of the total bill in March.

The data below is the number of hours of homework done as reported by 24 high school juniors for the last week in September, 2006. 6, 5, 6, 4, 6, 6, 9, 7, 6, 3, 8, 5, 5, 8, 6, 5, 8, 6, 5, 7, 5, 8, 7, 4 Using bins of 2 hours width beginning at 3, construct the cumulative frequency histogram.

The bar chart shows the relative frequencies of winners of the Wimbledon women's singles tennis title for 1976 - 1995. How many titles did Graf and Navratilova win?

Using the graphical display below. -Identify the class that has had the greatest percentage increase with respect to its initial percentage over the five decades.

Find the original data from the stem-and-leaf plot. Stem Leaves 7.1187.2887.3188\begin{array} { c | c } \text { Stem } & \text { Leaves } \\\hline 7.1 & 18 \\7.2 & 88 \\7.3 & 188\end{array} Stem 7.17.27.3​ Leaves 1888188​​

Using the graphical display below. -Identify the utility that accounts for over half the total bill in two months.

Find the original data from the stem-and-leaf plot. Stem Leaves 11821137313389434\begin{array} { r | l } \text { Stem } & \text { Leaves } \\\hline 1 & 18 \\2 & 1137 \\3 & 13389 \\4 & 34\end{array} Stem 1234​ Leaves 1811371338934​​

Construct a frequency table for the numbers of persons with various blood types.

Find the original data from the stem-and-leaf plot. $\begin{array} { c | c } \text { Stem } & \text { Leaves } \\\hline 7.1 & 18 \\7.2 & 88 \\7.3 & 188\end{array}$

Find the original data from the stem-and-leaf plot. $\begin{array} { r | l } \text { Stem } & \text { Leaves } \\\hline 1 & 18 \\2 & 1137 \\3 & 13389 \\4 & 34\end{array}$