For a particular sample of 54 scores on a psychology exam, the following results were obtained.
First quartile = 38 Third quartile = 70 Standard deviation = 9 Range = 58
Mean = 59 Median = 64 Mode = 65 Midrange = 67
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 23 and 95?
V. Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 50 and 68?
Please show all of your work. (Points : 10)
Recently Asked Questions
- At the end of theyear a firm produced 20,000 laptops. Its total costs were $66 million, and its fixed costs were $33 million. What are the average variable
- P - teenagers with chronic illness suffering from depression I - self-care education C - self-care deficits O - promotes self-esteem and prevents progression
- Which of the following is an example of de jure segregation? the tendency for churches to be racially homogeneous sequestering the jury in order to ensure a