Descriptive Statistics and Data Analysis

| June 13, 2018

51)
Which of the following coefficients of skewness values has the lowest degree of
skewness?
A)
1
B)
1.1
C)
0.5
D)
0.05

52)
A coefficient of skewness that indicates relative symmetry would lie between
________.
A)
0.5 and -0.5
B)
5 and -5
C)
1 and -1
D)
0.95 and 1

53)
A coefficient of skewness that indicates moderate skewness would lie between
________.
A)
1 and 2
B)
0.5 and 1
C)
0 and 1
D)
0.5 and -0.5

54)
A histogram with only one peak ________.
A)
does not have a mode value
B) is unimodal
C) is bimodal
D)
has a high degree of kurtosis

55)
A histogram with exactly two peaks ________.
A)
is unimodal
B)
has a low degree of kurtosis
C)
has the same values for mean and mode
D)
is bimodal

56)
If the distribution of observations were perfectly symmetrical and unimodal,
________.
A)
the mean would be greater than the mode
B)
the mean, median, and mode would be the same
C)
the mode would be lesser than the median
D)
the median would be greater than the mean

57)
The degree of flatness or peakedness of a population is measured by the
________.
A)
coefficient of kurtosis
B)
coefficient of skewness
C)
coefficient of variation
D)
coefficient of deviation

58)
A distribution that is relatively flat with a wide degree of dispersion has a
coefficient of kurtosis that is ________.
A)
more than 3
B)
less than 3
C)
less than 6
D)
more than 6

59)
A distribution that is relatively peaked with a low degree of dispersion has a
coefficient of kurtosis that is ________.
A)
equal to 0
B)
less than 0
C)
more than 3
D)
equal to 3

60)
________ is a measure of a linear relationship between two variables.
A)
Variance
B)
Proportion
C)
Correlation
D)
Kurtosis

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