Some quantitative data sets do not have medians.
Choose the correct answer.
A.The statement is true.
B.The statement is false. Some quantitative data sets have more than one median.
C.The statement is false. All quantitative data set have medians.
D.The statement is false. Some quantitative data sets do not have means.
A data set can have the sameâ mean, median, and mode.
Choose the correct answer.
A.The statement is true.
B.The statement is false. A data set cannot have the same mean and mode.
C.The statement is false. A data set cannot have the same mean and median.
D.The statement is false. A data set cannot have the same median and mode.
Find theâ mean, median, and mode of theâ data, if possible. If any of these measures cannot be found or a measure does not represent the center of theâ data, explain why.
A sample of seven admission test scores for a professional school are listed below.
10.3 11.1 10.9 10.8 9.8 11.1 9.7
What is the meanâ score? Select the correct choice below and fill in any answer box to the choice.
A.The mean score is.......
(Round to one decimal place asâ needed.)
B.
There is no mean score.
The lengthâ (in words) of seven articles from a particular newspaper are listed below. Find theâ mean, median, and mode of theâ data, if possible. If any of these measures cannot be found or a measure does not represent the center of theâ data, explain why.
1273 1153 1225 818 1369 1122 1278
Find the mean word count. Select the correct choice belowâ and, ifâ necessary, fill in the answer box to complete the choice.
A.
The mean word count is.......
(Round to one decimal place asâ needed.)
B.There is no mean word count.
The tuition and feesâ (in thousands ofâ dollars) for the top 14 universities in a recent year are listed below. Find theâ mean, median, and mode of theâ data, if possible. If any of these measures cannot be found or a measure does not represent the center of theâ data, explain why.
35 43 40 40 47 43 43
43 43 40 47 39 47 46
Find the mean cost. Select the correct choice belowâ and, ifâ necessary, fill in the answer box to complete the choice.
A.
The mean cost is
(Round to one decimal place asâ needed.)
B. There is no mean cost.
Find theâ mean, median, and mode of theâ data, if possible. If any of these measures cannot be found or a measure does not represent the center of theâ data, explain why.
The durationsâ (in minutes) of power failures at a residence in the last 6 years are listed below.
23 14 66 43 76 39 55 129 14 23
What is the meanâ duration? Select the correct choice below and fill in any answer box to complete the choice.
A.
The mean duration is............ minutes.
â(Round to one decimal place asâ needed.)
B. There is no mean score.
A student receives the followingâ grades, with an A worth 4â points, a B worth 3â points, a C worth 2â points, and a D worth 1 point. What is theâ student's weighted mean grade pointâ score?
B in 3 twoâ-credit classes
D in 1 twoâ-credit class
A in 1 threeâ-credit class
C in 1 threeâ-credit class
Mean grade point score is........ (Round to the nearest tenth asâ needed.)
The number of hospital beds in a sample of 20 hospitals is shown below. Construct a frequency distribution and a frequency histogram for the data set using 5 classes. Describe the shape of the histogram asâ symmetric, uniform, negativelyâ skewed, positivelyâ skewed, or none of these.
168 157 132 134 181 160 170 218 141 133
197 211 153 249 263 245 302 139 201 180
Construct a frequency distribution for the data set using 5 classes.
(Type wholeâ numbers.)
Class Frequency
132-16
167-201
202-236
237-271
272-306
