This participation is required and is scored out of 10 points 1 post-30 words, 1

Question

This participation is required and is scored out of 10 points 1 post-30 words, 1 reply 20 words Instructions: A "standardized score" is simply t he number of standard deviations an individual falls above or below the mean for the whole group. Male heights of 1. Female heights have a mean of 65 inches and a standard deviation of 2 ½ inches. have a mean of 70 inches and a standard deviation of 3 inches. Thus, a man who is 73 inches tall has a standardized score · These measurements follow, at least approximately, a bell shaped curve. What do you think this means? Explain in your own words What is why not What is your percentile ranking and what does this mean? 1. 2. the standardized score corresponding to your own height? Does this value show that you are of unusual height? Explain why or 3.

Explanation / Answer

Answer to the question is as follows:

1. It means that the the distribution followd by the Female and male heights are normal bell curved distribution. The frequency of data points is going to be high around the expected value and small on the tails.

2.

For this refer to Z / normal distribution of females.

Height is 5'6" = 66 inches. So standardized score is (66-65)/2.5 = .4
Since the standardized score is less than 2, this isn't an unusual score

3.

Percentile ranking is P(X<=.4) = .6554 or 65.64 percentile
it means that 65.64% of the height of women are less than 66 inches

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