Question 1

If you want to illustrate a quantitative variable, you should use a ______.

Accepted Answer

A)  bar chart 
B)  pie chart 
C)  frequency table 
D)  frequency polygon 
A)  bar chart 
B)  pie chart 
C)  frequency table 
D)  frequency polygon

Question 2

One of the most common ways to mislead people with graphics is to use a value other than 0 as the smallest value on the y-axis.

Accepted Answer

A) True 
 B)False

Question 3

A frequency table consists of only simple frequencies.

Accepted Answer

A) True 
 B)False

Question 4

Which of these should you use to illustrate responses to the following question? "How many sales were made last year?"

Accepted Answer

A)  bar chart 
B)  pie chart 
C)  histogram 
D)  scatterplot 
A)  bar chart 
B)  pie chart 
C)  histogram 
D)  scatterplot

Question 5

For the following questions, consider the dataset below collected from a sample of trainees:
 $\begin{array}{ccc} 
& \text { Training } & \text { Test score } \
\hline 1 & \text { A } & 12 \
2 & \text { A } & 9 \
3 & \text { B } & 6 \
4 & \text { B } & 10 \
5 & \text { C } & 30 \
\hline
\end{array}$ Test scores represent the number of test questions trainees answered correctly on the post-training survey.
-What is the relative frequency of Training C?

Accepted Answer

A)  0.1 
B)  0.2 
C)  1 
D)  2 
A)  0.1 
B)  0.2 
C)  1 
D)  2

Question 6

You should use similar colours on your pie chart so that the chart is more visually appealing.

Accepted Answer

A) True 
 B)False

Question 7

If you want to make a frequency table, what is the first thing you should do?

Accepted Answer

A)  determine the frequencies of each of your values 
B)  calculate the relative frequencies of each of your values 
C)  make a list of every value and order them 
D)  calculate the cumulative frequencies of all of your values 
A)  determine the frequencies of each of your values 
B)  calculate the relative frequencies of each of your values 
C)  make a list of every value and order them 
D)  calculate the cumulative frequencies of all of your values

Question 8

If you want to know what happens to the y-variable as the x-variable increases, you should translate your data with a pie chart.

Accepted Answer

A) True 
 B)False

Question 9

For the following questions, consider the dataset below collected from a sample of trainees:
 $\begin{array}{ccc} 
& \text { Training } & \text { Test score } \
\hline 1 & \text { A } & 12 \
2 & \text { A } & 9 \
3 & \text { B } & 6 \
4 & \text { B } & 10 \
5 & \text { C } & 30 \
\hline
\end{array}$ Test scores represent the number of test questions trainees answered correctly on the post-training survey.
-The best translation for the Test Score variable above would be ______.

Accepted Answer

A)  a histogram 
B)  a bar chart 
C)  a scatterplot 
D)  a pie chart 
A)  a histogram 
B)  a bar chart 
C)  a scatterplot 
D)  a pie chart

Question 10

Which of the following symbols represents a frequency?

Accepted Answer

A)  f 
B)  p 
C)  n 
D)  N 
A)  f 
B)  p 
C)  n 
D)  N

Question 11

The appropriate way to represent "three-quarters" as a fraction is ______.

Accepted Answer

A)  0.75 
B)  ¾ 
C)  75% 
D)  three-quarters 
A)  0.75 
B)  ¾ 
C)  75% 
D)  three-quarters

Question 12

A count of how many times a value and all values below it appears in a variable is the cumulative frequency.

Accepted Answer

A) True 
 B)False

Question 13

5% is another representation of the following proportion: 0.5

Accepted Answer

A) True 
 B)False

Question 14

The most common illustration for qualitative data is a pie chart.

Accepted Answer

A) True 
 B)False

Question 15

If you want to compare two or more frequency distributions, you should use a frequency polygon instead of a histogram.

Accepted Answer

A) True 
 B)False

Question 16

A frequency is ______.

Accepted Answer

A)  a portion of a whole, represented as a decimal 
B)  a count of how many times a value appears in a variable 
C)  a table containing all categories 
D)  an illustration of qualitative data 
A)  a portion of a whole, represented as a decimal 
B)  a count of how many times a value appears in a variable 
C)  a table containing all categories 
D)  an illustration of qualitative data

Question 17

The y-axis for a histogram should include counts or frequencies.

Accepted Answer

A) True 
 B)False

Question 18

Each point in a scatterplot represents ______.

Accepted Answer

A)  the frequency of a variable 
B)  the scores of two variables for a single case 
C)  the scores of two cases for a single variable 
D)  the proportions of scores of two cases for a single variable 
A)  the frequency of a variable 
B)  the scores of two variables for a single case 
C)  the scores of two cases for a single variable 
D)  the proportions of scores of two cases for a single variable

Question 19

Explain the difference between a frequency polygon and a scatterplot, including when to use each.

Accepted Answer

A frequency polygon is used to summarize

Question 20

To ensure that your bar chart is easily interpretable, your bar chart should have which of the following attributes?

Accepted Answer

A)  It should be wider than it is tall. 
B)  The axis labels should be left-aligned. 
C)  The largest value should be at the bottom of the chart. 
D)  Each bar should be a different colour. 
A)  It should be wider than it is tall. 
B)  The axis labels should be left-aligned. 
C)  The largest value should be at the bottom of the chart. 
D)  Each bar should be a different colour.

If you want to illustrate a quantitative variable, you should use a ______.

One of the most common ways to mislead people with graphics is to use a value other than 0 as the smallest value on the y-axis.

A frequency table consists of only simple frequencies.

Which of these should you use to illustrate responses to the following question? "How many sales were made last year?"

For the following questions, consider the dataset below collected from a sample of trainees: Training Test score 1 A 12 2 A 9 3 B 6 4 B 10 5 C 30 Test scores represent the number of test questions trainees answered correctly on the post-training survey. -What is the relative frequency of Training C?

You should use similar colours on your pie chart so that the chart is more visually appealing.

If you want to make a frequency table, what is the first thing you should do?

If you want to know what happens to the y-variable as the x-variable increases, you should translate your data with a pie chart.

Which of the following symbols represents a frequency?

The appropriate way to represent "three-quarters" as a fraction is ______.

A count of how many times a value and all values below it appears in a variable is the cumulative frequency.

5% is another representation of the following proportion: 0.5

The most common illustration for qualitative data is a pie chart.

If you want to compare two or more frequency distributions, you should use a frequency polygon instead of a histogram.

A frequency is ______.

The y-axis for a histogram should include counts or frequencies.

Each point in a scatterplot represents ______.

Explain the difference between a frequency polygon and a scatterplot, including when to use each.

To ensure that your bar chart is easily interpretable, your bar chart should have which of the following attributes?

The Language of Statistics

Central Tendency and Variability

Probability Distributions

Sampling Distributions

Estimation and Confidence Intervals

Hypothesis Testing

Tests for Significance: Z-Tests and One-Sample T-Tests

Tests for Significance: Paired and Independent-Samples T-Test

Analysis of Variance Anova

CHI-Squared Tests of Fit

Correlation R and Regression Y BX A

Matching Statistical Tests to Business Problems

Filters

Exam 2: Working With Numbers and Data Display

If you want to illustrate a quantitative variable, you should use a ______.

One of the most common ways to mislead people with graphics is to use a value other than 0 as the smallest value on the y-axis.

A frequency table consists of only simple frequencies.

Which of these should you use to illustrate responses to the following question? "How many sales were made last year?"

You should use similar colours on your pie chart so that the chart is more visually appealing.

If you want to make a frequency table, what is the first thing you should do?

If you want to know what happens to the y-variable as the x-variable increases, you should translate your data with a pie chart.

Which of the following symbols represents a frequency?

The appropriate way to represent "three-quarters" as a fraction is ______.

A count of how many times a value and all values below it appears in a variable is the cumulative frequency.

5% is another representation of the following proportion: 0.5

The most common illustration for qualitative data is a pie chart.

If you want to compare two or more frequency distributions, you should use a frequency polygon instead of a histogram.

A frequency is ______.

The y-axis for a histogram should include counts or frequencies.

Each point in a scatterplot represents ______.

Explain the difference between a frequency polygon and a scatterplot, including when to use each.

To ensure that your bar chart is easily interpretable, your bar chart should have which of the following attributes?

The Language of Statistics

Central Tendency and Variability

Probability Distributions

Sampling Distributions

Estimation and Confidence Intervals

Hypothesis Testing

Tests for Significance: Z-Tests and One-Sample T-Tests

Tests for Significance: Paired and Independent-Samples T-Test

Analysis of Variance Anova

CHI-Squared Tests of Fit

Correlation R and Regression Y BX A

Matching Statistical Tests to Business Problems

Filters