For each of the following variables, identify the level of measurement (nominal,

Question

For each of the following variables, identify the level of measurement (nominal, ordinal, interval, or ratio).
(I) Satisfaction level on a survey (e.g. very dissatisfied, satisfied, very satisfied, etc.)
(II) Fuel economy (miles per gallon) of used car

Question 1 options:

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Question 2 (1 point)

For each of the following variables, identify the type of variable (categorical vs. numerical).
(I) Grade point average (e.g. 1.0, 2.0, 3.0 , 4.0)
(II) Level of employee at a factory (e.g. general manager, supervisor, hourly worker)

Question 2 options:

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Question 3 (1 point)

For each of the following variables, identify an appropriate graph or chart that could be used.
(I) Number of employees in a supermarket
(II) Income tax brackets (e.g. Below $8925, $8925-36250, $36250-$87850, etc)

Question 3 options:

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Question 4 (1 point)

Question 4 options:

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Question 5 (1 point)

Question 5 options:

1) (I) Ordinal , and (II) Ratio 2) (I) Interval , and (II) Ordinal 3) (I) Nominal , and (II) Ratio 4) (I) Ordinal , and (II) Interval 5) (I) Nominal , and (II) Ordinal

Explanation / Answer

Question 1:

(I) Satisfaction level on a survey (e.g. very dissatisfied, satisfied, very satisfied, etc.)

Here data is categorical and order can be defined on category. So it is ordinal level variable.

(II) Fuel economy (miles per gallon) of used car

It is quantitative varibale. And zero is meaningful so it is ratio variable.

Answer: (I) Ordinal , and (II) Ratio

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Question 2:

Answer:

(I) Numeric , and (II) Categorical

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Question 3:

Answer: (I) Boxplot , and (II) Bar graph

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Question 4:

Box plot shows that distribution is skewed to right heavily and have some high outliers. So option "Contaminated" is correct.

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Question 5:

There is only one outlier. Box plot between the fences is almost symmetric. So option 5 is correct.

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