QUESTION 3 A researcher has a total of 48 subjects to use in an experiment. For

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QUESTION 3 A researcher has a total of 48 subjects to use in an experiment. For the following research situation, report which statistical test should be used to analyze the data (2 points) and the degrees of freedom to be used (the actual number, not just the formula-1 point). if degrees of freedom do not need to be used, explain why. Situation #3: The researcher wants to compare the mean of her subjects' self-esteem scores to a known population mean. However, she does not know the population standard deviation. T T T Arial(12p)T Path: Words:0 Click Sove and Submit to sove and submit click Sove All Answers to sove all onswers Save

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Question 3) Solution:

We can clearly see that , population standard deviation is not known.

Therefore, we can use One sample mean test.

Degree of freedom =n-1 = 48-1 = 47

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