Exam 4: Measures of Variation

arrow
  • Select Tags
search iconSearch Question
  • Select Tags

Imagine that distribution A contains the following scores: 3, 4, 5, 6, 7. Imagine that distribution B contains the following scores: 1, 3, 5, 8, 10. Distribution A has a _____ standard deviation and a _____ average deviation in comparison to distribution B.

Free
(Multiple Choice)
4.8/5
(87)
Correct Answer:
Verified

B

When calculated on the same distribution of scores, the unbiased estimator of the standard deviation will be _____ σ\sigma .

Free
(Multiple Choice)
4.9/5
(71)
Correct Answer:
Verified

A

In a positively skewed distribution, the mode is _____ the median and _____ the mean.

Free
(Multiple Choice)
4.8/5
(72)
Correct Answer:
Verified

B

If the shape of a frequency distribution is lopsided, with a long tail projecting longer to the left than to the right, how would the distribution be skewed?

(Multiple Choice)
4.9/5
(75)

The calculation of the average deviation differs from the calculation of the standard deviation in that the deviation scores:

(Multiple Choice)
4.8/5
(85)

The standard deviation is:

(Multiple Choice)
4.9/5
(82)

The symbol σ\sigma represents the standard deviation for _____.

(Multiple Choice)
4.7/5
(89)

When we take the absolute value of the deviation scores while calculating a measure of variability, we are using the _____.

(Multiple Choice)
4.8/5
(76)

The symbol s represents the standard deviation for _____.

(Multiple Choice)
4.8/5
(85)

Which of the following is NOT TRUE?

(Multiple Choice)
4.8/5
(79)

In a negatively skewed distribution, the median is _____ the mode and _____ the mean.

(Multiple Choice)
4.9/5
(80)

When we square the deviation scores while calculating a measure of variability, we are using the _____.

(Multiple Choice)
4.9/5
(87)

In a positively skewed distribution, the median is _____ the mean and _____ the mode.

(Multiple Choice)
4.8/5
(69)

The symbol S represents the standard deviation for _____.

(Multiple Choice)
4.8/5
(85)

In a negatively skewed distribution, the mode is _____ the median and _____ the mean.

(Multiple Choice)
4.8/5
(90)

The range is:

(Multiple Choice)
4.7/5
(76)

When calculating σ\sigma or S, we divide by _____ rather than _____ as we do with the unbiased estimator of the standard deviation.

(Multiple Choice)
4.8/5
(84)

When calculating the unbiased estimator of the population standard deviation, we divide by _____ rather than _____ as we do with either σ\sigma or S.

(Multiple Choice)
5.0/5
(76)

In a negatively skewed distribution, the mean is _____ the median and _____ the mode.

(Multiple Choice)
4.9/5
(83)

In a positively skewed distribution, the mean is _____ the median and _____ the mode.

(Multiple Choice)
4.8/5
(80)
Showing 1 - 20 of 23
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)