RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

Z DISTRBUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A
2.5
B
-2.5
C
5.2
D
-5.2
Explanation: 

Detailed explanation-1: -The formula for calculating a z-score is z = (x-)/, where x is the raw score, is the population mean, and is the population standard deviation. As the formula shows, the z-score is simply the raw score minus the population mean, divided by the population standard deviation.

Detailed explanation-2: -Z Score = (x − x̅ )/ = Standard deviation.

There is 1 question to complete.