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Scenario: Assuming the data below is from a randomly sampled population of Psychology Major’s and the scores...

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Question

Basic Math

Scenario:

Assuming the data below is from a randomly sampled population ofPsychology Major’s and the scores represent Self-Esteem. All majorshave a mean of µ=15 and standard deviation of ?=5.

Data:

10, 12, 18, 12, 15, 14, 11, 10, 14, 17, 15, 13,12

Instructions:

1. For the data above, calculate the mean, median, mode, range,sum of squares, variance, and standard deviation and put them intoan APA style table (If you use JASP, then you can copy the APAtable from the results).  

10 points

2. Write out the hypotheses for testing self-esteem ofPsychology Majors and the All Majors are the same or different.This should be a one tailed test (are Psychology majors higher orlower – you decide), using an alpha ? =.05.

10 points

3. Calculate the z value for a hypothesis test. Report in APAyour findings (including the critical z value used to determine ifthere is a significant difference).

10 points

4. Is the z-score you calculatedstatistically significant? Explain your answer.

10 points

5. What do you conclude? Write a short summary of yourconclusions using the data from your analysis to support yourconclusions.

10 points

Answer & Explanation Solved by verified expert
4.0 Ratings (531 Votes)
NumberValues1102103114125126127138149141015111512171318Total173Count13Mean Median Is the Middle most value in the data set7th value in the data set is the middle mostvalueMedian 13Mode Is the highest frequency in    See Answer
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