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Worksheets

Griggs NOIR

Total questions: 15

Worksheet time: 12mins

Name
Class
Date
1.

Professor Xavier’s students graduate earlier on average than public school children. This statistic is…

a)

Descriptive

b)

Inferential

2.

The mean time to recovery from COVID-19 is greater than 3 days. This statistic is…

a)

Descriptive

b)

Inferential

3.

The heights of dental students are significantly correlated with their weights. This statistic is…

a)

Descriptive

b)

Inferential

4.

73% of dental students are registered to vote. This involves what type of response variable?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

5.

4 out of 5 dentists agree that Toothy Fruit is better than the leading brand. This involves what type of response variable?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

6.

The median rank of our faculty members is Assistant Professor. This involves what type of response variable?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

7.

A student’s blood pressure before the comprehensive exam is 140/90. This involves what type of response variable?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

8.

A student’s blood pressure before the comprehensive exam is Stage 2 Hypertension. This involves what type of response variable?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

9.

98% of dental students possess a gene related to high IQ. If we test a random dental student for this gene, then how is the specificity of the test related to the probability of actually having the gene?

a)

They are the same

b)

Almost the same

c)

Quite different

10.

1% of dental students possess a gene for high IQ and high cholesterol. If we test a random dental student for this gene, then how is the specificity of the test related to the probability of actually having the gene?

a)

They are the same

b)

Almost the same

c)

Quite different

11.

What type of variables can have a mean?

a)

Nominal

b)

Ordinal

c)

Interval

d)

Ratio

12.

Mean, median, and mode are example of what type of statistics?

a)

Central tendency

b)

Spread

13.

The box of a box plot indicates

a)

Standard deviation

b)

Date range

c)

Coefficient of variation

d)

Interquartile range

14.

An NBA player has a degree in Communications. For the salaries of graduates from the Communications program, the mean and median salaries will be?

a)

Different

b)

Equal

15.

Each student rates the quality of a course on a scale from 1-5. The overall opinion of the class is best described by the...

a)

Mean

b)

Standard deviation

c)

Median

d)

Outlier