Question 1 A satisfaction survey asks you to rank a service in one of five class
ID: 3195107 • Letter: Q
Question
Question 1
A satisfaction survey asks you to rank a service in one of five classes from "not at all satisfied" to "extremely satisfied". This level of measurement is best described as:
interval data
ordinal data
nominal data
discrete data
Question 2
A table summarizing a set of data by category expressed as a percentage is:
histogram
relative frequency table
ogive
grouped frequency table
Question 3
The best representation comparing both totals and subcategory values in a single chart is a:
component bar chart
histogram
simple bar chart
pie chart
Question 4
A frequency polygon having a peak offset to one side is:
... impossible!
kurtosis
symmetric
skewed
Question 5
Which of the following is an incorrect statement?
The frequency of each category is represented in histograms by the area of each bar, not the height.
Histograms summarize and display nominal data.
Histograms always have no space between bars.
A frequency polygon is constructed from a histogram.
Question 6
Calculate the mean of the following data.
7, 4, 9, 4, 2, 5, 0, 3
Question 7
In the following histogram, which measure of location would be preferred as a middle value?
histogram.JPG
mode
mean
1st quartile
median
Question 8
Comparing spreads to two datasets when means are substantially different is conducted using:
an interquartile range
a standard deviation
a coefficient of variation
variance
Question 9
A distribution's second quartile, Q2, is equal to its:
mean
stem
median
coefficient of variation
Question 10
The square root of the variance is called the:
interquartile range
a coefficient of variation
ogive
a standard deviation
Explanation / Answer
Solution1:
set of categories ordered form least to most.
ordinal scale.
This level of measurement is best described as:
ORDINAL DATA
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