Tuesday
September 2, 2014

Homework Help: statistics

Posted by Dawn on Saturday, September 29, 2012 at 8:35am.

For a particular sample of 63 scores on a psychology exam, the following results were obtained.
First quartile = 57 Third quartile = 72 Standard deviation = 9 Range = 52
Mean = 72 Median = 68 Mode = 70 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 54 and 90?
V. Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 54 and 90?
Please show all work!

Answer this Question

First Name:
School Subject:
Answer:

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 ...
statistics - for a particular sample of 77 scores on a psychology exam, the ...
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 80 scores on a psychology exam, the ...
statistics - For a particular sample of 63 scores on a psychology exam, the ...
Statistics - For a particular sample of 63 scores on a psychology exam, the ...
Statistics - For a particular sample of 63 scores on a psychology exam, the ...

Search
Members