5. The normal curve shown represents the sampling distribution of a sample mean for sample size n = 25, selected at random from a population with standard deviation o. 105 x 120 135 150 165 180 195 Sampling Distribution of Which of the following is the best estimate of the standard deviation of the population, o ? (A) 3 (B) 6 (C) 15 (D) 30 (E) 75

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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5. The normal curve shown represents the sampling distribution of a sample mean for sample size n = 25, selected
at random from a population with standard deviation o.
= x
105 120 135 150 165 180 195
Sampling Distribution of x
Which of the following is the best estimate of the standard deviation of the population, σ, ?
X
(A) 3
(B) 6
(C) 15
(D) 30
(E) 75
Transcribed Image Text:5. The normal curve shown represents the sampling distribution of a sample mean for sample size n = 25, selected at random from a population with standard deviation o. = x 105 120 135 150 165 180 195 Sampling Distribution of x Which of the following is the best estimate of the standard deviation of the population, σ, ? X (A) 3 (B) 6 (C) 15 (D) 30 (E) 75
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