Lianna would like to find out if a new type of therapy works. She recruits 15 patients with phobias and measures their phobia scores. Then, she gives them the therapy for 2 weeks. At the end of 2 weeks, she measures their phobia scores again. What test should Lianna use to examine her data? A. Paired samples t-test

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A: The regression equation is GM^=0.005860+0.904753S$P500.

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Q: The table shows the English test scores for 6 students. English Test Grades Student 1. Grade 78 92 3…

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Q: The mean score of 15 male students taking an economics test is 74 and the mean score of 12 female…

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.