Question 1

A value of a variable that is halfway between the top of an interval and the bottom of the next interval is ______.

Accepted Answer

A)   the stated class limit
B)   the real lower limit
C)   the real upper limit
D)   the real limit D

Question 2

A researcher would use a pie chart to illustrate the level of security inmates in her/his survey are in.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following would best depict nominal level data?

Accepted Answer

A)   bar chart
B)   line graph
C)   histogram
D)   polygon A

Question 4

Given the following grouped distribution, what would the real upper limit be for the group of 106-108? $\begin{array}{|l|l|l|}
\hline \text { Class Limits } & \underline{f} & \frac{\%}{} \
\hline 100-102 & 15 & 31.25 \
\hline 103-105 & 12 & 25 \
\hline 106-108 & 8 & 16.67 \
\hline 109-111 & 7 & 14.58 \
\hline 112-114 & 4 & 8.33 \
\hline 115 \text { and higher } & \underline{2} & \underline{4.12} \
\hline \text { Total N } & & 48 \
\hline
\end{array}$

Accepted Answer

A)   108.0
B)   108.05
C)   108.49
D)   108.5

Question 5

Values that are the lowest and highest in an interval are ______.

Accepted Answer

A)   the stated class limit
B)   the real lower limit
C)   the real upper limit
D)   the real limit

Question 6

Class intervals in a grouped frequency distribution that do not overlap with other intervals are ______.

Accepted Answer

A)   exhaustive
B)   mutually exclusive
C)   provides all values
D)   not required

Question 7

______ groups the values of an interval or ratio level variable into a smaller number of intervals and illustrates the frequencies and percentages for the groups.

Accepted Answer

A)   Frequency distribution
B)   Grouped frequency distribution
C)   Cumulative distribution
D)   Cumulative frequency distribution

Question 8

When a distribution has a long left tail, it is said to be ______.

Accepted Answer

A)   normally distributed
B)   positively skewed
C)   negatively skewed
D)   inversely skewed

Question 9

When collecting surveys about the number of offenses people commit, you find that 60% committed zero offenses and the other 40% committed between 1 and 10 offenses. The shape of this distribution would be ______.

Accepted Answer

A)   normally distributed
B)   positively skewed
C)   negatively skewed
D)   inversely skewed

Question 10

Discuss the different types of graphical representations (pie charts, bar charts, histograms, and polygons). What are the levels of measurement that can be used with each type of graphical representation?

Accepted Answer

The answer of Discuss the different types of graphical representations...

Question 11

If you ask individuals about the number of people they know that have been incarcerated, you would use a ______ to illustrate the data collected for this variable.

Accepted Answer

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

Question 12

A researcher would use a histogram for the variable "number of times arrested."

Accepted Answer

A) True 
 B)False

Question 13

What is the difference between a grouped and ungroup frequency distribution? Give an example that is not in the textbook of when you would want to use a grouped frequency distribution. Give an example that is not in the textbook of when you would want to use an ungrouped frequency distribution.

Accepted Answer

The answer of What is the difference between a grouped...

Question 14

When a distribution has a long right tail, it is said to be ______.

Accepted Answer

A)   normally distributed
B)   positively skewed
C)   negatively skewed
D)   inversely skewed

Question 15

In a survey you conduct, 80% of respondents say they have never been the victim of a crime while the rest state they have been the victim of a crime 10-20 times. This distribution is likely to be negatively skewed.

Accepted Answer

A) True 
 B)False

Question 16

A researcher using a measure at the ratio level would use a ______ to illustrate the data.

Accepted Answer

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

Question 17

The difference between a pie and a bar chart is ______.

Accepted Answer

A)   a bar chart is for interval/ratio variables
B)   a pie chart is for interval/ratio variables
C)   a pie chart is superior to a bar chart for nominal/ordinal variables
D)   none of the above

Question 18

Using the following table to graph the number of months one has been incarcerated. Is the distribution normally distributed, positively skewed, or negatively skewed? Why?

Accepted Answer

The answer of Using the following table to graph the...

Question 19

The following equation, $\frac{\text { Lower limit }+\text { Upper limit }}{2}$ , represents ______.

Accepted Answer

A)   estimated interval width
B)   midpoint of class limit
C)   ratio change score
D)   percent change score

Question 20

Discuss a normal distribution, a positively skewed distribution, and a negatively skewed distribution.

Accepted Answer

The answer of Discuss a normal distribution, a positively skewed...

Exam 3: Data Visualization Techniques: Ways of Understanding Data Distributions

A value of a variable that is halfway between the top of an interval and the bottom of the next interval is ______.

A researcher would use a pie chart to illustrate the level of security inmates in her/his survey are in.

Which of the following would best depict nominal level data?

Values that are the lowest and highest in an interval are ______.

Class intervals in a grouped frequency distribution that do not overlap with other intervals are ______.

______ groups the values of an interval or ratio level variable into a smaller number of intervals and illustrates the frequencies and percentages for the groups.

When a distribution has a long left tail, it is said to be ______.

When collecting surveys about the number of offenses people commit, you find that 60% committed zero offenses and the other 40% committed between 1 and 10 offenses. The shape of this distribution would be ______.

Discuss the different types of graphical representations (pie charts, bar charts, histograms, and polygons). What are the levels of measurement that can be used with each type of graphical representation?

If you ask individuals about the number of people they know that have been incarcerated, you would use a ______ to illustrate the data collected for this variable.

A researcher would use a histogram for the variable "number of times arrested."

What is the difference between a grouped and ungroup frequency distribution? Give an example that is not in the textbook of when you would want to use a grouped frequency distribution. Give an example that is not in the textbook of when you would want to use an ungrouped frequency distribution.

When a distribution has a long right tail, it is said to be ______.

In a survey you conduct, 80% of respondents say they have never been the victim of a crime while the rest state they have been the victim of a crime 10-20 times. This distribution is likely to be negatively skewed.

A researcher using a measure at the ratio level would use a ______ to illustrate the data.

The difference between a pie and a bar chart is ______.

Using the following table to graph the number of months one has been incarcerated. Is the distribution normally distributed, positively skewed, or negatively skewed? Why?

The following equation, Lower limit + Upper limit 2\frac{\text { Lower limit }+\text { Upper limit }}{2}2 Lower limit + Upper limit ​ , represents ______.

Discuss a normal distribution, a positively skewed distribution, and a negatively skewed distribution.

The following equation, $\frac{\text { Lower limit }+\text { Upper limit }}{2}$ , represents ______.