Question 1

Excel's __________ can be used to construct a frequency distribution for categorical data.

Accepted Answer

A)  DISTRIBUTION function 
B)  SUM function 
C)  FREQUENCY function 
D)  COUNTIF function 
A)  DISTRIBUTION function 
B)  SUM function 
C)  FREQUENCY function 
D)  COUNTIF function

Question 2

The percent frequency of a class is computed by _____.

Accepted Answer

A)  multiplying the relative frequency by 10 
B)  dividing the relative frequency by 100 
C)  multiplying the relative frequency by 100 
D)  adding 100 to the relative frequency 
A)  multiplying the relative frequency by 10 
B)  dividing the relative frequency by 100 
C)  multiplying the relative frequency by 100 
D)  adding 100 to the relative frequency

Question 3

What is the difference between a bar graph and a histogram?

Accepted Answer

A)  There is no difference between a bar graph and a histogram. 
B)  A histogram displays quantitative data, while a bar graph displays categorical data. 
C)  A histogram must have space between the bars, while a bar graph has no spaces between the bars. 
D)  None of the answers is correct. 
A)  There is no difference between a bar graph and a histogram. 
B)  A histogram displays quantitative data, while a bar graph displays categorical data. 
C)  A histogram must have space between the bars, while a bar graph has no spaces between the bars. 
D)  None of the answers is correct.

Question 4

Excel's __________ can be used to construct a frequency distribution for quantitative data.

Accepted Answer

A)  COUNTIF function 
B)  SUM function 
C)  PivotTable report 
D)  AVERAGE function 
A)  COUNTIF function 
B)  SUM function 
C)  PivotTable report 
D)  AVERAGE function

Question 5

Frequency distributions can be made for _____.

Accepted Answer

A)  categorical data only 
B)  quantitative data only 
C)  neither categorical nor quantitative data 
D)  both categorical and quantitative data 
A)  categorical data only 
B)  quantitative data only 
C)  neither categorical nor quantitative data 
D)  both categorical and quantitative data

Question 6

Fifteen percent of the students in a School of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) that can be used to present these data is(are) _____.

Accepted Answer

A)  a line graph 
B)  only a bar chart 
C)  only a pie chart 
D)  both a bar chart and a pie chart 
A)  a line graph 
B)  only a bar chart 
C)  only a pie chart 
D)  both a bar chart and a pie chart

Question 7

In a class with 30 students, we ask, "If you could have any super power, what would it be?" Each student could only choose one super power. The resulting pie chart is below. The least popular choice of super power was _____. ​

Accepted Answer

A)  ability to fly 
B)  telepathy 
C)  invisibility 
D)  super strength 
A)  ability to fly 
B)  telepathy 
C)  invisibility 
D)  super strength

Question 8

The relative frequency of a class is computed by _____.

Accepted Answer

A)  dividing the midpoint of the class by the sample size 
B)  dividing the frequency of the class by the midpoint 
C)  dividing the sample size by the frequency of the class 
D)  dividing the frequency of the class by the sample size 
A)  dividing the midpoint of the class by the sample size 
B)  dividing the frequency of the class by the midpoint 
C)  dividing the sample size by the frequency of the class 
D)  dividing the frequency of the class by the sample size

Question 9

If several frequency distributions are constructed from the same data set, the distribution with the widest class width will have the _____.

Accepted Answer

A)  fewest classes 
B)  most classes 
C)  same number of classes as the other distributions since all are constructed from the same data 
D)  None of the answers is correct. 
A)  fewest classes 
B)  most classes 
C)  same number of classes as the other distributions since all are constructed from the same data 
D)  None of the answers is correct.

Question 10

You are given the following data on the earnings per share for 10 companies. Construct a stem-and-leaf display. Specify the leaf unit for the display. $$\begin{array} { l l l l l } 
2.6 & 1.4 & 1.3 & 0.5 & 2.2 \
1.1 & 1.1 & 0.7 & 0.9 & 2.0
\end{array}$$

Accepted Answer

The answer of You are given the following data on...

Question 11

In a crosstabulation, _____.

Accepted Answer

A)  both variables must be categorical 
B)  both variables must be quantitative 
C)  one variable must be categorical and the other must be quantitative 
D)  either or both variables can be categorical or quantitative 
A)  both variables must be categorical 
B)  both variables must be quantitative 
C)  one variable must be categorical and the other must be quantitative 
D)  either or both variables can be categorical or quantitative

Question 12

A dot plot can be used to display _____.

Accepted Answer

A)  the relationship between two quantitative variables 
B)  the percent a particular category is of the whole 
C)  the distribution of one quantitative variable 
D)  Simpson's paradox 
A)  the relationship between two quantitative variables 
B)  the percent a particular category is of the whole 
C)  the distribution of one quantitative variable 
D)  Simpson's paradox

Question 13

Which of the following graphical methods is most appropriate for categorical data?

Accepted Answer

A)  ogive 
B)  pie chart 
C)  histogram 
D)  scatter diagram 
A)  ogive 
B)  pie chart 
C)  histogram 
D)  scatter diagram

Question 14

There are 20 boys and 8 girls in a class. What type of graph can be used to display this information?

Accepted Answer

A)  bar graph 
B)  stem-and-leaf plot 
C)  histogram 
D)  scatter diagram 
A)  bar graph 
B)  stem-and-leaf plot 
C)  histogram 
D)  scatter diagram

Question 15

Which of the following is LEAST useful in studying the relationship between two variables?

Accepted Answer

A)  trendline 
B)  stem-and-leaf display 
C)  crosstabulation 
D)  scatter diagram 
A)  trendline 
B)  stem-and-leaf display 
C)  crosstabulation 
D)  scatter diagram

Question 16

The sum of the relative frequencies for all classes will always equal _____.

Accepted Answer

A)  the sample size 
B)  the number of classes 
C)  1 
D)  100 
A)  the sample size 
B)  the number of classes 
C)  1 
D)  100

Question 17

For the following observations, indicate what kind of relationship (if any) exists between women's height (inches) and annual starting salary ($1000s). $$\begin{array} { l l } 
\text { Height } & \text { Salary } \
\hline 64 & 45 \
63 & 40 \
68 & 39 \
65 & 38 \
67 & 42 \
66 & 45 \
65 & 43 \
64 & 35 \
66 & 33
\end{array}$$

Accepted Answer

No relationship betw

Question 18

To construct a pie chart using Excel's Chart Tools, choose __________ as the chart type.

Accepted Answer

A)  column 
B)  pie 
C)  scatter 
D)  line 
A)  column 
B)  pie 
C)  scatter 
D)  line

Question 19

You are given the following data on times (in minutes) to complete a race. Construct a stem-and-leaf display. Specify the leaf unit for the display. $$\begin{array} { l l l l l } 
15.2 & 15.8 & 12.4 & 11.9 & 15.2 \
14.7 & 14.8 & 11.8 & 12.0 & 12.1
\end{array}$$

Accepted Answer

The answer of You are given the following data on...

Question 20

A graphical method that can be used to show both the rank order and shape of a data set simultaneously is a _____.

Accepted Answer

A)  relative frequency distribution 
B)  pie chart 
C)  stem-and-leaf display 
D)  pivot table 
A)  relative frequency distribution 
B)  pie chart 
C)  stem-and-leaf display 
D)  pivot table

Exam 2: Descriptive Statistics: Tabular and Graphical Displays

Excel's __________ can be used to construct a frequency distribution for categorical data.

The percent frequency of a class is computed by _____.

What is the difference between a bar graph and a histogram?

Excel's __________ can be used to construct a frequency distribution for quantitative data.

Frequency distributions can be made for _____.

Fifteen percent of the students in a School of Business Administration are majoring in Economics, 20% in Finance, 35% in Management, and 30% in Accounting. The graphical device(s) that can be used to present these data is(are) _____.

In a class with 30 students, we ask, "If you could have any super power, what would it be?" Each student could only choose one super power. The resulting pie chart is below. The least popular choice of super power was _____. ​

The relative frequency of a class is computed by _____.

If several frequency distributions are constructed from the same data set, the distribution with the widest class width will have the _____.

You are given the following data on the earnings per share for 10 companies. Construct a stem-and-leaf display. Specify the leaf unit for the display. 2.6 1.4 1.3 0.5 2.2 1.1 1.1 0.7 0.9 2.0

In a crosstabulation, _____.

A dot plot can be used to display _____.

Which of the following graphical methods is most appropriate for categorical data?

There are 20 boys and 8 girls in a class. What type of graph can be used to display this information?

Which of the following is LEAST useful in studying the relationship between two variables?

The sum of the relative frequencies for all classes will always equal _____.

For the following observations, indicate what kind of relationship (if any) exists between women's height (inches) and annual starting salary ($1000s). Height Salary 64 45 63 40 68 39 65 38 67 42 66 45 65 43 64 35 66 33

To construct a pie chart using Excel's Chart Tools, choose __________ as the chart type.

You are given the following data on times (in minutes) to complete a race. Construct a stem-and-leaf display. Specify the leaf unit for the display. 15.2 15.8 12.4 11.9 15.2 14.7 14.8 11.8 12.0 12.1

A graphical method that can be used to show both the rank order and shape of a data set simultaneously is a _____.

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit, Independence, and Multiple Proportions

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

In a class with 30 students, we ask, "If you could have any super power, what would it be?" Each student could only choose one super power. The resulting pie chart is below. The least popular choice of super power was _____.