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

Proportions are good

Question 2

In a bimodal histogram,the two highest bars will have the same height.

Accepted Answer

A) True 
 B)False

Question 3

Excel's pyramid charts make it easier to read the data values.

Accepted Answer

A) True 
 B)False

Question 4

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 5

Which statement is not true concerning Sturges' Rule?

Accepted Answer

A)  It proposes adding one class (bin)to the histogram for each extra observation. 
B)  If you double the sample size,you should add one class. 
C)  Its purpose is to tell how many classes (bins)to use in a frequency distribution. 
D)  It is only a guideline and may be overruled by other considerations. 
A)  It proposes adding one class (bin)to the histogram for each extra observation. 
B)  If you double the sample size,you should add one class. 
C)  Its purpose is to tell how many classes (bins)to use in a frequency distribution. 
D)  It is only a guideline and may be overruled by other considerations.

Question 6

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 7

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 8

Which is not a characteristic of a dot plot?

Accepted Answer

A)  Simplicity 
B)  Legibility 
C)  Wide bins 
D)  Dot stacking 
A)  Simplicity 
B)  Legibility 
C)  Wide bins 
D)  Dot stacking

Question 9

A study found the following parts per billion of nitrosamines in a sample of domestic beers.(a)Construct a frequency distribution of four classes with equal class sizes.(b)Construct another frequency distribution of four classes using unequal class intervals or an open-ended interval for the highest class.(c)Which frequency distribution is preferable? Why?

Accepted Answer

Answers will vary.Sturges' Rul

Question 10

Pie charts are useful in displaying frequencies that sum to a total.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

Source given,axes are clearly

Question 12

Scatter plots are:

Accepted Answer

A)  useful in visualizing trends over time. 
B)  useful in identifying causal relationships. 
C)  often fitted with a linear equation in Excel. 
D)  applicable mainly to discrete data. 
A)  useful in visualizing trends over time. 
B)  useful in identifying causal relationships. 
C)  often fitted with a linear equation in Excel. 
D)  applicable mainly to discrete data.

Question 13

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,titl

Question 14

Which is not a characteristic of a log scale for time series data?

Accepted Answer

A)  Log scales are useful when data change by an order of magnitude. 
B)  The distance from 5 to 50 is the same as the distance from 50 to 500. 
C)  On a log scale,equal distances represent equal ratios. 
D)  Log scales are generally familiar to the average reader. 
A)  Log scales are useful when data change by an order of magnitude. 
B)  The distance from 5 to 50 is the same as the distance from 50 to 500. 
C)  On a log scale,equal distances represent equal ratios. 
D)  Log scales are generally familiar to the average reader.

Question 15

The number of bins in this histogram (caffeine content in mg/oz for 65 soft drinks)is consistent with Sturges' Rule.

Accepted Answer

A) True 
 B)False

Question 16

The point halfway between the bin limits in a frequency distribution is known as the:

Accepted Answer

A)  bin midpoint. 
B)  bin limit. 
C)  bin frequency. 
D)  bin width. 
A)  bin midpoint. 
B)  bin limit. 
C)  bin frequency. 
D)  bin width.

Question 17

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 18

Dot plots are similar to histograms with many bins (classes).

Accepted Answer

A) True 
 B)False

Question 19

If you have 256 data points,how many classes (bins)would Sturges' Rule suggest?

Accepted Answer

A)  6 
B)  7 
C)  8 
D)  9 
A)  6 
B)  7 
C)  8 
D)  9

Question 20

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 no

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

In a bimodal histogram,the two highest bars will have the same height.

Excel's pyramid charts make it easier to read the data values.

Which is considered a novelty chart in Excel?

Which statement is not true concerning Sturges' Rule?

Which is a not a characteristic of pie charts?

Which is the most serious deceptive graphical technique?

Which is not a characteristic of a dot plot?

Pie charts are useful in displaying frequencies that sum to a total.

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

Scatter plots are:

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

Which is not a characteristic of a log scale for time series data?

The number of bins in this histogram (caffeine content in mg/oz for 65 soft drinks)is consistent with Sturges' Rule.

The point halfway between the bin limits in a frequency distribution is known as the:

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

Dot plots are similar to histograms with many bins (classes).

If you have 256 data points,how many classes (bins)would Sturges' Rule suggest?

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

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.

In a bimodal histogram,the two highest bars will have the same height.

Excel's pyramid charts make it easier to read the data values.

Which is considered a novelty chart in Excel?

Which statement is not true concerning Sturges' Rule?

Which is a not a characteristic of pie charts?

Which is the most serious deceptive graphical technique?

Which is not a characteristic of a dot plot?

Pie charts are useful in displaying frequencies that sum to a total.

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

Scatter plots are:

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

Which is not a characteristic of a log scale for time series data?

The number of bins in this histogram (caffeine content in mg/oz for 65 soft drinks)is consistent with Sturges' Rule.

The point halfway between the bin limits in a frequency distribution is known as the:

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

Dot plots are similar to histograms with many bins (classes).

If you have 256 data points,how many classes (bins)would Sturges' Rule suggest?

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

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