Question 1

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Accepted Answer

Funny pictures, attention-get

Question 2

Craig operates a part-time snow-plowing business using a 2002 GMC 2500 HD extended cab short box truck. Describe Craig's gasoline mileage based on this histogram of 195 tanks of gas.

Accepted Answer

Strong clustering ne

Question 3

A line chart would not be suitable to display which data?

Accepted Answer

A) U.S. oil imports from OPEC nations for the last 20 years 
B) Annual compensation of the top 50 CEOs 
C) Exxon-Mobil's quarterly sales data for the last five years 
D) Daily stock market closing prices of Microsoft for the past month 
A) U.S. oil imports from OPEC nations for the last 20 years 
B) Annual compensation of the top 50 CEOs 
C) Exxon-Mobil's quarterly sales data for the last five years 
D) Daily stock market closing prices of Microsoft for the past month

Question 4

Histograms generally do not reveal the:

Accepted Answer

A) exact data range. 
B) modal classes (bins). 
C) degree of skewness. 
D) relative frequencies. 
A) exact data range. 
B) modal classes (bins). 
C) degree of skewness. 
D) relative frequencies.

Question 5

Which is considered a novelty chart in Excel?

Accepted Answer

A) Pie chart 
B) Column chart 
C) Pyramid chart 
D) Line chart 
A) Pie chart 
B) Column chart 
C) Pyramid chart 
D) Line chart

Question 6

A population has 75 observations. One class interval has a frequency of 15 observations. The relative frequency in this category is:

Accepted Answer

A) 0.20. 
B) 0.10. 
C) 0.15. 
D) 0.75. 
A) 0.20. 
B) 0.10. 
C) 0.15. 
D) 0.75.

Question 7

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Accepted Answer

Amusing and colorful, but too

Question 8

A frequency distribution is a tabulation of n data values into classes called bins.

Accepted Answer

A) True 
 B)False

Question 9

This histogram shows Chris's golf scores in his last 77 rounds at Devil's Ridge. Which is not a correct statement?

Accepted Answer

A) The number of bins is consistent with Sturges' Rule. 
B) The histogram has a noticeable bimodal shape. 
C) The modal class is 78 < 80. 
D) About 15 percent of his scores are in the interval 74 < 76. 
A) The number of bins is consistent with Sturges' Rule. 
B) The histogram has a noticeable bimodal shape. 
C) The modal class is 78 < 80. 
D) About 15 percent of his scores are in the interval 74 < 76.

Question 10

To classify prices from 62 recent home sales, Sturges' Rule would recommend:

Accepted Answer

A) 7 classes. 
B) 8 classes. 
C) 9 classes. 
D) 10 classes. 
A) 7 classes. 
B) 8 classes. 
C) 9 classes. 
D) 10 classes.

Question 11

Which is the most serious deceptive graphical technique?

Accepted Answer

A) Vague source 
B) Using bold colors 
C) Nonzero origin 
D) Unlabeled data points 
A) Vague source 
B) Using bold colors 
C) Nonzero origin 
D) Unlabeled data points

Question 12

Below is a sorted stem-and-leaf diagram for the measured speeds (miles per hour) of 49 randomly chosen vehicles on highway I-80 in Nebraska. What is the fourth slowest speed in the sorted data array? stem unit $ =10 $
leaf unit $ =1 $
$\begin{array}{rrl}
\text { Frequency } & \text { Stem  } & \text { Leaf } \
1 & 4 & 9 \
1 & 5 & 5 \
17 & 6 & 01222455556688999 \
19 & 7 & 0111233345666778999 \
7 & 8 & 0133557 \
4 & 9 & 0122 \
4 9&
\end{array}$

Accepted Answer

A) 61 
B) 60 
C) 55 
D) Impossible to tell 
A) 61 
B) 60 
C) 55 
D) Impossible to tell

Question 13

Which data would be suitable for a pie chart?

Accepted Answer

A) Percent vote in the last election by party (Democrat, Republican, Other) 
B) Retail prices of six major brands of color laser printers 
C) Labor cost per vehicle for 10 major world automakers 
D) Prices paid by 10 students for their accounting textbooks 
A) Percent vote in the last election by party (Democrat, Republican, Other) 
B) Retail prices of six major brands of color laser printers 
C) Labor cost per vehicle for 10 major world automakers 
D) Prices paid by 10 students for their accounting textbooks

Question 14

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Accepted Answer

Eye-catching and colorful. Tit

Question 15

A dot plot would be useful in visualizing scores on an exam in a class of 30 students.

Accepted Answer

A) True 
 B)False

Question 16

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Accepted Answer

Colorful, cute subtitle adds n

Question 17

The graph below illustrates which deceptive technique?

Accepted Answer

A) Poor Y axis scale 
B) Area trick 
C) Unclear grid lines 
D) Dramatic title 
A) Poor Y axis scale 
B) Area trick 
C) Unclear grid lines 
D) Dramatic title

Question 18

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Accepted Answer

Clear graph, clear title, but

Question 19

Which is a not a characteristic of pie charts?

Accepted Answer

A) Pie charts can only convey a general idea of the data values. 
B) Pie charts are ineffective when they have too many slices. 
C) Exploded and 3-D pie charts will allow more "slices." 
D) Pie chart data always represent parts of a whole (e.g., market share). 
A) Pie charts can only convey a general idea of the data values. 
B) Pie charts are ineffective when they have too many slices. 
C) Exploded and 3-D pie charts will allow more "slices." 
D) Pie chart data always represent parts of a whole (e.g., market share).

Question 20

Log scales are common because most people are familiar with them.

Accepted Answer

A) True 
 B)False

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Craig operates a part-time snow-plowing business using a 2002 GMC 2500 HD extended cab short box truck. Describe Craig's gasoline mileage based on this histogram of 195 tanks of gas.

A line chart would not be suitable to display which data?

Histograms generally do not reveal the:

Which is considered a novelty chart in Excel?

A population has 75 observations. One class interval has a frequency of 15 observations. The relative frequency in this category is:

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

A frequency distribution is a tabulation of n data values into classes called bins.

This histogram shows Chris's golf scores in his last 77 rounds at Devil's Ridge. Which is not a correct statement?

To classify prices from 62 recent home sales, Sturges' Rule would recommend:

Which is the most serious deceptive graphical technique?

Which data would be suitable for a pie chart?

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

A dot plot would be useful in visualizing scores on an exam in a class of 30 students.

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

The graph below illustrates which deceptive technique?

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Which is a not a characteristic of pie charts?

Log scales are common because most people are familiar with them.

Overview of Statistics

Data Collection

Descriptive Statistics

Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions and Estimation

One-Sample Hypothesis Tests

Two-Sample Hypothesis Tests

Analysis of Variance

Simple Regression

Multiple Regression

Time Series Analysis

Chi-Square Tests

Nonparametric Tests

Quality Management

Filters

Exam 3: Describing Data Visually

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Craig operates a part-time snow-plowing business using a 2002 GMC 2500 HD extended cab short box truck. Describe Craig's gasoline mileage based on this histogram of 195 tanks of gas.

A line chart would not be suitable to display which data?

Histograms generally do not reveal the:

Which is considered a novelty chart in Excel?

A population has 75 observations. One class interval has a frequency of 15 observations. The relative frequency in this category is:

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

A frequency distribution is a tabulation of n data values into classes called bins.

This histogram shows Chris's golf scores in his last 77 rounds at Devil's Ridge. Which is not a correct statement?

To classify prices from 62 recent home sales, Sturges' Rule would recommend:

Which is the most serious deceptive graphical technique?

Which data would be suitable for a pie chart?

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

A dot plot would be useful in visualizing scores on an exam in a class of 30 students.

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

The graph below illustrates which deceptive technique?

Briefly list strengths and weaknesses of this display. Cite specific principles of good graphs, as well as offering your own general interpretation.

Which is a not a characteristic of pie charts?

Log scales are common because most people are familiar with them.

Overview of Statistics

Data Collection

Descriptive Statistics

Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions and Estimation

One-Sample Hypothesis Tests

Two-Sample Hypothesis Tests

Analysis of Variance

Simple Regression

Multiple Regression

Time Series Analysis

Chi-Square Tests

Nonparametric Tests

Quality Management

Filters