Griggs NOIR

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

• Descriptive

• Inferential

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

• Descriptive

• Inferential

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

• Descriptive

• Inferential

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

• Nominal

• Ordinal

• Interval

• Ratio

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

• Nominal

• Ordinal

• Interval

• Ratio

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

• Nominal

• Ordinal

• Interval

• Ratio

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

• Nominal

• Ordinal

• Interval

• Ratio

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

• Nominal

• Ordinal

• Interval

• Ratio

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?

• They are the same

• Almost the same

• Quite different

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?

• They are the same

• Almost the same

• Quite different