RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

Z DISTRBUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In a survey of men in the United States (ages 20-29), the mean height was 69.6 inches with a standard deviation of 3.0 inches. Find the minimum height in the top 22%.
A
69.37 in
B
67.58 in
C
73.12 in
D
None of the above
Explanation: 

Detailed explanation-1: -The height that represents the 95 percentile is 69.42.

Detailed explanation-2: -The 40 yards sprint times for a soccer team are found to be normally distributed with a mean of 5.2 seconds and a standard deviation of 0.3 seconds.

There is 1 question to complete.