Mean М (a) For these data, which measures of central tendency take more than one value? Choose all that apply. OMedian OMode ONone of these measures Mean М (b) Suppose that the measurement 21 (the smallest measurement in the data set) were OMedian replaced by 12. Which measures of central tendency would be affected by the change? Choose all that apply. OMode None of these measures Mean (c) Suppose that, starting with the original data set, the smallest measurement were OMedian removed. Which measures of central Mode tendency would be changed from those of the original data set? Choose all that apply. None of these measures (d) Which of the following best describes the ONegatively skewed distribution of the original data? Choose only OPositively skewed ORoughly symmetrical one.

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O DESCRIPTIVE STATISTICS
Mean, median, and mode:.
An intelligence test that has a maximum time for completion of 45
minutes was recently administered to a group of 21 people. Their
respective times for completion (in minutes) were as follows.
21, 27, 32, 32, 33, 34, 36, 36, 37, 37, 37, 39, 39, 41, 41, 41, 42, 42, 42, 42, 43
Send data to Excel
Frequency
8+
6+
4
4+
2-
20
25
30
35
40
45
Time for completion (in minutes)
OMean
OMedian
(a) For these data, which measures of
central tendency take more than one value?
Choose all that apply.
OMode
ONone of these measures
OMean
(b) Suppose that the measurement 21 (the
smallest measurement in the data set) were OMedian
replaced by 12. Which measures of central
tendency would be affected by the change? OMode
Choose all that apply.
ONone of these measures
OMean
OMedian
(c) Suppose that, starting with the original
data set, the smallest measurement were
removed. Which measures of central
tendency would be changed from those of
the original data set? Choose all that apply.
OMode
ONone of these measures
(d) Which of the following best describes the ONegatively skewed
distribution of the original data? Choose onlyOPositively skewed
one.
ORoughly symmetrical
?
Transcribed Image Text:4:59 AA www-awn.aleks.com O DESCRIPTIVE STATISTICS Mean, median, and mode:. An intelligence test that has a maximum time for completion of 45 minutes was recently administered to a group of 21 people. Their respective times for completion (in minutes) were as follows. 21, 27, 32, 32, 33, 34, 36, 36, 37, 37, 37, 39, 39, 41, 41, 41, 42, 42, 42, 42, 43 Send data to Excel Frequency 8+ 6+ 4 4+ 2- 20 25 30 35 40 45 Time for completion (in minutes) OMean OMedian (a) For these data, which measures of central tendency take more than one value? Choose all that apply. OMode ONone of these measures OMean (b) Suppose that the measurement 21 (the smallest measurement in the data set) were OMedian replaced by 12. Which measures of central tendency would be affected by the change? OMode Choose all that apply. ONone of these measures OMean OMedian (c) Suppose that, starting with the original data set, the smallest measurement were removed. Which measures of central tendency would be changed from those of the original data set? Choose all that apply. OMode ONone of these measures (d) Which of the following best describes the ONegatively skewed distribution of the original data? Choose onlyOPositively skewed one. ORoughly symmetrical ?
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