Question

In: Statistics and Probability

5) Add 125 to each of the numbers in problem 4 a) Calculate the variance (s...

5) Add 125 to each of the numbers in problem 4

a) Calculate the variance (s 2 )

b) Are you surprised by the results? Why or why not?

c) What happens to the mean? (You don't need to do the actual calculation unless you're not sure what's going on).

d) What happens to the median? (Again, you don't need to do the calculation unless you're not sure what's happening)

Problem #4:

4) Eight men in their 30’s were measured for testosterone levels with the following results in ng/dL

540.5 873.6 513.7 498.5 242.9 123.0 238.3 413.4

a) Calculate the sample mean and the sample median

b) Calculate the Sum of Squares (SS)

c) Calculate the sample variance (s 2 )

5) Add 125 to each of the numbers in problem 4

a) Calculate the variance (s 2 )

b) Are you surprised by the results? Why or why not?

c) What happens to the mean? (You don't need to do the actual calculation unless you're not sure what's going on).

d) What happens to the median? (Again, you don't need to do the calculation unless you're not sure what's happening)

Solutions

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