11. A sample of 50 people has a variance of 9. In that case, the standard deviation is a. 3; 441 b. 7.58; 330 с. 256;B 1200 d. 4; 1184 and the sum of squares is

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11. A sample of 50 people has a variance of 9. In that case, the standard deviation is
a. 3; 441
b. 7.58; 330
с. 256; 1200
d. 4; 1184
and the sum of squares is
12. The symbol for population variance is
and the symbol for sample standard deviation is
a. S.S.; o?
b. o?; s
c. 0; s?
d. s; o
13. Which of the following are parameters?
a.
b. s?
с.
Hi - H2
d. More than one of the above is correct.
14. Which of the following can be thought of as the "average deviation"?
Sum of Squares
b.
a.
Variance
C.
Standard Deviation
d. Weighted Mean
15.
What is a "deviation"?
square root of the variance
b. something that sums up the variability of a sample
"deviation", also called "error variance," is variability not explained by the treatment
distance of a single score above or below the mean
a.
C.
d.
16. What information can you get from a person's z-score?
Whether they are above or below the mean
How many standard deviations they are from the mean
Whether they are closer or farther from the mean than the standard deviation predicts
More than one is correct
a.
b.
С.
d.
Transcribed Image Text:11. A sample of 50 people has a variance of 9. In that case, the standard deviation is a. 3; 441 b. 7.58; 330 с. 256; 1200 d. 4; 1184 and the sum of squares is 12. The symbol for population variance is and the symbol for sample standard deviation is a. S.S.; o? b. o?; s c. 0; s? d. s; o 13. Which of the following are parameters? a. b. s? с. Hi - H2 d. More than one of the above is correct. 14. Which of the following can be thought of as the "average deviation"? Sum of Squares b. a. Variance C. Standard Deviation d. Weighted Mean 15. What is a "deviation"? square root of the variance b. something that sums up the variability of a sample "deviation", also called "error variance," is variability not explained by the treatment distance of a single score above or below the mean a. C. d. 16. What information can you get from a person's z-score? Whether they are above or below the mean How many standard deviations they are from the mean Whether they are closer or farther from the mean than the standard deviation predicts More than one is correct a. b. С. d.
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