BSTAT EXAM PRACTICE
QUESTIONS AND 100% CORRECT
ANSWERS!!
A recent survey of 200 small firms (annual revenue less than $10 million) asked whether
an increase in the minimum wage would cause the firm to decrease capital spending.
Possible responses to the survey question were: "Yes," "No," or "Don't Know." This data
is best classified as
nominal scale
An undergraduate student's status (freshman, sophomore, junior, or senior) is an
example of which scale of measurement?
Ordinal Scale
What is the scale of measurement of the distance between any two locations?
Radio scale
The Fahrenheit scale for measuring temperature would be classified as a(n)
Interval scale
For which of the following data sets will a pie chart be most useful
Percentage of net sales by product for Lenovo in 2011
In order to summarize qualitative data, a useful tool is a __________.
frequency distribution
Scatterplot is a graphical tool that is focused on describing one variable
false
he accompanying chart shows the number of books written by each author in a
collection of cookbooks. What type of data is being represented?
qualitative, nominal
, What graphical tool is best used to display the relative frequency of grouped quantitative
data?
Histogram
The following data represent scores on a pop quiz in a statistics section.
45 66 74 72 62 44 55 70 33 82
56 56 84 16 16 47 32 32 17 37
Suppose the data are grouped into five classes, and one of them will be "30 up to 44" —that
is, {x; 30 ≤ x < 44}. The relative frequency of this class is _____
.20
An analyst constructed the following frequency distribution on the monthly returns for
50 selected stocks.
Class (in percent) Frequency
-10 up to 0 8
0 up to 10 25
10 up to 20 15
20 up to 30 2
The number of stocks with returns of 0% up to 10% is ______.
2
8
15
25
25
An analyst constructed the following frequency distribution on the monthly returns for
50 selected stocks.
Class (in percent) Frequency
QUESTIONS AND 100% CORRECT
ANSWERS!!
A recent survey of 200 small firms (annual revenue less than $10 million) asked whether
an increase in the minimum wage would cause the firm to decrease capital spending.
Possible responses to the survey question were: "Yes," "No," or "Don't Know." This data
is best classified as
nominal scale
An undergraduate student's status (freshman, sophomore, junior, or senior) is an
example of which scale of measurement?
Ordinal Scale
What is the scale of measurement of the distance between any two locations?
Radio scale
The Fahrenheit scale for measuring temperature would be classified as a(n)
Interval scale
For which of the following data sets will a pie chart be most useful
Percentage of net sales by product for Lenovo in 2011
In order to summarize qualitative data, a useful tool is a __________.
frequency distribution
Scatterplot is a graphical tool that is focused on describing one variable
false
he accompanying chart shows the number of books written by each author in a
collection of cookbooks. What type of data is being represented?
qualitative, nominal
, What graphical tool is best used to display the relative frequency of grouped quantitative
data?
Histogram
The following data represent scores on a pop quiz in a statistics section.
45 66 74 72 62 44 55 70 33 82
56 56 84 16 16 47 32 32 17 37
Suppose the data are grouped into five classes, and one of them will be "30 up to 44" —that
is, {x; 30 ≤ x < 44}. The relative frequency of this class is _____
.20
An analyst constructed the following frequency distribution on the monthly returns for
50 selected stocks.
Class (in percent) Frequency
-10 up to 0 8
0 up to 10 25
10 up to 20 15
20 up to 30 2
The number of stocks with returns of 0% up to 10% is ______.
2
8
15
25
25
An analyst constructed the following frequency distribution on the monthly returns for
50 selected stocks.
Class (in percent) Frequency
