You get a random sample of 30 students, and you give them an Anxiety inventory called Form A. Below are the scores for 30 students. What is the Standard Deviation for the 30 Form A scores? 2 3 5 6 7 8 9 10 11 Form A 5 COO 0000 56004 8 6 6 8 9 8 8

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A: The formula to find the mean is x=∑f·x∑f. Consider the following table. Test score (x) Frequency…

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A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: Iculate the mean and median and report the lower value of two.

A: Answer The sample size [n] = 10-7.4, -3.4, -2.7, -2.2, -1.9, -0.8, 0.3, 0.9, 0.9, 1.1The mean:The…

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A: P value=0.0  Hypothesis. H0: μ1 − μ2 = 0 Ha: μ1 − μ2 ≠ 0 (claim)

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A: Given Mean =152 Standard deviation=21

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A: Hypothesis Testing is a type of inferential procedure is statistics.

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A: Given The data is as follows:

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Q: 3; 8; -1; 1; 0; 4; -3; 2; -1; 5; 4; -2 what is the standard deviation for this sample?

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A: The formula to find sample standard deviation is as follows,  s = ∑ x2-∑x2nn-1

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A: Given information: Both professors have an average of 65%. The first professor has a standard…