Statistics....need help plz!!!

[gurly691]

For a particular sample of 63 scores on a psychology exam, the following results were obtained.[FONT=&quot]
[/FONT]First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51[FONT=&quot]
[/FONT]Mean = 72 Median = 72 Mode = 98 Midrange = 57[FONT=&quot]

[/FONT]Answer each of the following:[FONT=&quot]

[/FONT]I. What score was earned by more students than any other score? Why? [FONT=&quot]
[/FONT]II. What was the highest score earned on the exam? [FONT=&quot]
[/FONT]III. What was the lowest score earned on the exam?[FONT=&quot]
[/FONT]IV. According to Chebyshev's Theorem, how many students scored between 45 and 99?[FONT=&quot]
[/FONT]V. Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 45 and 99?[FONT=&quot]

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