8. Calculate SS, o², and o for the following population of N = 5 scores: 6, 0, 4, 2, 3.

Heights of adult women are normally distributed with a mean of 64 inches with a standard deviation of 2.5 inches. What approximate height is at the 84th percentile? OA. 61.5 inches O B. 66.5 inches O C. 69 inches O D. 64 inches

Consider the following data: x 4 5 6 7 8 P(X = x) 0.2 0.2 0.1 0.2 0.3 Step 3 of 5: Find the standard deviation. Round your answer to one decimal place. Copy Data

Find the indicated IQ score. The graph to the right depicts IQ scores of​ adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15.

Find the indicated IQ score. The graph to the right depicts IQ scores of​ adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15.

find popuation mean and standard deviation of data  11.2,15.6,18.4,24.5,26,32.8,34.6,40

IQ scores are normally distributed with a mean of 100 and a variance of 225. What percentage of people score between 130 and 145?

What does the standard deviation tell you about a set of data?

Find the indicated IQ score. The graph to the right depicts IQ scores of​ adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15.

A population of adults males heights distributed as approximately normal with mean 69 inches and a standard deviation of 3.5 inches. Ralph is 5 feet and 7 inches tall (67 inches). What proportion of the population is taller than he?