Statistics Archives - Page 2 of 3

Which of the following is an example of discrete data:

Regarding the power of a study, which of the following statements is INCORRECT:

A type II error occurs when:

A range of one standard deviation above and below the mean includes what approximate percentage of the sample values:

Regarding likelihood ratios, which of the following statements is INCORRECT:

Regarding relationships between two variables, what does a negative correlation coefficient indicate:

The interquartile range (IQ) is often displayed using which of the following:

A novel anti-tuberculosis medicine was compared to standard treatment and shown to cut the risk of death from 30 to 10 per 1000 people.

How many patients would need to be treated (number need to treat (NNT)) in order to prevent 10 additional tuberculosis deaths:

What does the correlation coefficient r = 0 indicate with regards to linear relationships between two variables?

What is the interquartile range for these numbers: 11, 4, 6, 8, 3, 10, 8, 10, 4, 12, 31?