Posted by **Jen** on Monday, October 17, 2011 at 1:21am.

For a particular sample of 63 scores on a psychology exam, the following results were obtained.

First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51

Mean = 72 Median = 72 Mode = 98 Midrange = 57

Answer each of the following:

I. What score was earned by more students than any other score? Why?

II. What was the highest score earned on the exam?

III. What was the lowest score earned on the exam?

IV. According to Chebyshev's Theorem, how many students scored between 45 and 99?

V. Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 45 and 99?

## Answer This Question

## Related Questions

- statistics - For a particular sample of 71 scores on a psychology exam, the ...
- (math) statistic - For a particular sample of 63 scores on a psychology exam, ...
- statistics - For a particular sample of 50 scores on a psychology exam, the ...
- Stats - For a particular sample of 63 scores on a psychology exam, the following...
- Stats - For a particular sample of 63 scores on a psychology exam, the following...
- statistics - for a particular sample of 77 scores on a psychology exam, the ...
- Can somehelp me with this ASAP plz?!?!?! Stats - For a particular sample of 63 ...
- statistics - for a particular sample of 77 scores on a psychology exam the ...
- statistics - For a particular sample of 53 scores on a psychology exam, the ...
- statistics - For a particular sample of 63 scores on a psychology exam, the ...

More Related Questions