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20 Jul 2021, 04:45
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
97% (00:46) correct
3%
(00:44)
wrong
based on 39
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If a certain sample of data has a mean of 18.0 and a standard deviation of 2.5, which of the following values is more than 3.0 standard deviations from the
mean?
A 11.0
B 14.5
C 16.5
D 23.0
E 26.5
mean?
A 11.0
B 14.5
C 16.5
D 23.0
E 26.5
20 Jul 2021, 08:31
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Mean: 18
S.D.: 2.5
More than 3 S.D. from Mean: 18 + 2.5 + 2.5 + 2.5 = 25.5
26.5 is greater than 25.5
Answer E
S.D.: 2.5
More than 3 S.D. from Mean: 18 + 2.5 + 2.5 + 2.5 = 25.5
26.5 is greater than 25.5
Answer E
