Hi, 

For a particular sample of 77 scores on a psychology exam, the following results were obtained.

 First quartile = 42 Third quartile = 69  

 Mean = 62,  Median = 56  

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

II. What was the highest score earned on the exam? , x =

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

 IV. According to Chebyshev's Theorem, how many students scored between 32 and 92?  ,  = 76.23 or 76 

 V. Assume that the distribution is normal. Based on the Empirical Rul... 

how many students scored between 52 and 72?  OR 52 

The empirical rule says that if you go 1 standard deviation out from the mean that you will capture 68 % of your data

 Please show all of your work. 

  

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