You want to create a histogram for a dataset with 250 observations, in which the minimum and maximum value are 100 and 500 respectively. Which class width do you choose using the 2^ > n rule? 50 25 100

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A: Hypothesis testing is an inferential procedure of testing a claim about a population characteristic.

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A: According to the provided information, mean, median, mode, and standard deviation are given.

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A: Importance of comparing and describing a dataset.

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A: The parameter represent the population .

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A: Note: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the question…

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Q: Explain the Critical Z score.

A:

Q: When do you need to calculate and use a Z - Score?

A: Z - score :  A z-score describes the position of a raw score in terms of its distance from the mean,…

Q: How do calculate a z-score

A: In general z-score is the standard normal score.

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A: From the given information we conduct Hypothesis test.

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A: Mean also called average of a dataset is computed by dividing the sum of observations by total…