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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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