MATH 3339 STATISTICS Exam Question with
100% Verified Answers
A sample is a subset of all possible data values for a given subject under consideration.
True
Of the range, the interquartile range, and the variance, the interquartile range is most
influenced by an outlying value in the data set.
False
Which of the following is not affected by an extreme value in the data set?
median
Which of the following is not affected by an extreme value in the data set?
mode
Of the range, the interquartile range, and the variance, the interquartile range is least
influenced by an outlying value in the data set.
true
The number of days it rained where you live last month is an example of discrete data.
true
Which of the following is an example of a data set with 5 values for which the standard
deviation is zero.
a) 2,2,2,2,2
b) -1,-1,0,1,1
c) -5,-4,0,3,5
d) 1,2,3,4,5
a
If the test scores of a class of 34 students have a mean of 73.3 and the test scores of
another class of 27 students have a mean of 66.6, then the mean of the combined group
100% Verified Answers
A sample is a subset of all possible data values for a given subject under consideration.
True
Of the range, the interquartile range, and the variance, the interquartile range is most
influenced by an outlying value in the data set.
False
Which of the following is not affected by an extreme value in the data set?
median
Which of the following is not affected by an extreme value in the data set?
mode
Of the range, the interquartile range, and the variance, the interquartile range is least
influenced by an outlying value in the data set.
true
The number of days it rained where you live last month is an example of discrete data.
true
Which of the following is an example of a data set with 5 values for which the standard
deviation is zero.
a) 2,2,2,2,2
b) -1,-1,0,1,1
c) -5,-4,0,3,5
d) 1,2,3,4,5
a
If the test scores of a class of 34 students have a mean of 73.3 and the test scores of
another class of 27 students have a mean of 66.6, then the mean of the combined group
