Question 7 1 out of 1 points If you calculated the standard deviation for a

# Question 7 1 out of 1 points if you calculated the

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Question 7 1 out of 1 points If you calculated the standard deviation for a distribution of 20 scores, removed the 5 highest scores and recalculated, the value of the standard deviation would
Correct Answer: decrease. Question 8 1 out of 1 points The second quartile (Q 2 ) is equal in value to Correct Answer: the median Question 9 1 out of 1 points If male and female college students have the same mean GPA but the standard deviation for females is much larger, you may conclude that Correct Answer: there is more variability among female students with respect to GPA. Question 10 1 out of 1 points Four students have applied to a special program and only one can be accepted. They have taken a battery of 12 tests and all have exactly the same average score. The standard deviation of their test scores are: Student A = 3.12, Student B = 0.27, Student C = 13.45, Student D = 6.45. If consistency of performance is a criteria for acceptance, which of the four students should be selected? Correct Answer: B Question 11 1 out of 1 points The range (R) is found by subtracting the lowest from the highest score in the distribution. Therefore, R could NOT be found for Correct Answer: nominal level variables. Question 12 1 out of 1 points Measures of central tendency (like the mean) and measures of dispersion (like the range) provide information about distributions of scores which is Correct Answer: complementary.

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