{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# statq2a - Quiz 2 Part1of6 Question1of6 Scores on an exam...

This preview shows pages 1–3. Sign up to view the full content.

Quiz 2 Return to Assessment List   Part 1 of 6 -  Question 1 of 6 Scores on an exam follow an approximately bell shaped distribution with a mean of 76.4 and a standard deviation of 6.1 points. Approximately, what percentage of the data is between 70.3 points and 82.5 points? A. 99.7% Feedback: No, 70.3 and 82.5 are one standard deviation away from the mean. So, according to the Empirical  Rule, there should be 68% of the data within one standard deviation.  B. 95% C. 68% D. 50% Feedback: This is an application of the Empirical Rule. The Empirical Rules states that about 68% of the data lies within one standard deviation of the mean, about 95% of the data lies within two standard deviations of the mean and about 99.7% of the data lies within three standard deviations of the mean.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Part 2 of 6 -  Question 2 of 6 Match each term on the left column with the appropriate description from the right column description. Each answer choice will only be used one time.
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 7

statq2a - Quiz 2 Part1of6 Question1of6 Scores on an exam...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online