Use the following information to answer Questions 17-20; A sample of n = 4 scores was collected from a population with u

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Use the following information to answer Questions 17-20;
A sample of n = 4 scores was collected from a population with unknown parameters.
Scores: 2, 5, 7, 6.
Q17: What is the mean of the sample?
A. 5
B. 1
C. 20
D. 4
Q18: What is the sum of squares, SS?
A. 14
B. 3.5
C. -4
D. 18
Q19: What is the sample variance, s2?
A. 4.67
B. 3.5
C. -1.33
D. 0
Q20: What is the estimated standard error of the mean, SM?
A. 1.08
B. 1.25
C. 0.54
D. 1.17
Use the following information to answer Questions 17-20: A sample of n = 4 scores was collected from a population with unknown parameters. Scores: 2, 5, 7, 6. Q17: What is the mean of the sample? [Select] Q18: What is the sum of squares, SS? (Select) Q19: What is the sample variance, s?? [Select] < Q20: What is the estimated standard error of the mean, Sm? (Select]