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13 Jun 2025, 00:30
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
60% (01:08) correct
40%
(01:11)
wrong
based on 149
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The results from an experiment generated data with a mean of 36 and a standard deviation of 5. Which of the following values is more than 3.5 standard deviations from the mean?
A. 18.0
B. 22.5
C. 41.0
D. 43.5
E. 53.5
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
A. 18.0
B. 22.5
C. 41.0
D. 43.5
E. 53.5
Gentle note to all experts and tutors: Please refrain from replying to this question until the Official Answer (OA) is revealed. Let students attempt to solve it first. You are all welcome to contribute posts after the OA is posted. Thank you all for your cooperation!
13 Jun 2025, 11:39
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SD = 5
3.5SD = 3.5 * 5 = 17.5
This lies in the range 18.5(=36-17.5) and 53.5(=36+17.5)
Given 18 <18.5, that's the answer
3.5SD = 3.5 * 5 = 17.5
This lies in the range 18.5(=36-17.5) and 53.5(=36+17.5)
Given 18 <18.5, that's the answer
Bunuel
