Question

35. Assume that women’s heights are normally distributed with mean 63.6 inches and standard deviation 2.5 inches. Find the value for the 3^rd quartile Q₃.

A 65.3 in
B 66.1 in
C 65.2 in
D 64.3 in
E None of the above

36. Assume a Normal Distribution with mean µ = 98.7 and IQR = 0.50. Find the standard deviation.

A. 0.37                       
B. 0.25
C. 0.50
D. 1.50
E. none of the above

37. If a population is normally distributed, the distribution of the sample means for a given sample size n will
A. be positively skewed
B. be negatively skewed
C. be uniform
D. be normal           
E. none of the above

Answer 1