OBJECTIVE FORESTRY

FORESTRY

AGRICULTURAL STATISTICS AND ECONOMICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The mean temperature in Glens Falls for the month of February is 23 degrees with a standard deviation of 4.2 degrees. What is the z-score for a temperature of 17 degrees?
A
1
B
1.43
C
-1.43
D
11.5
Explanation: 

Detailed explanation-1: -– A z-score of-2.00 indicates that the corresponding score is located below the mean by a distance of 2 standard deviations.

Detailed explanation-2: -For the standard normal distribution, 68% of the observations lie within 1 standard deviation of the mean; 95% lie within two standard deviation of the mean; and 99.9% lie within 3 standard deviations of the mean.

There is 1 question to complete.