For a population of 1000 items, μ = 50 and o= 10. What is the mean and standard error of the theoretical sampling distribution of the mean for sample sizes of (a) 25 and (b) 81? Ans. (a) x = 50 units and ox= 2 (b) x = 50 units and ox = 1.07

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For a population of 1000 items, μ = 50 and o= 10. What is the mean and standard error of the theoretical
sampling distribution of the mean for sample sizes of (a) 25 and (b) 81?
Ans. (a) x = 50 units and ox= 2 (b) μx = 50 units and ox = 1.07
XX1.
+1₁
f+h
f th
10 if th
Transcribed Image Text:4.33 124 For a population of 1000 items, μ = 50 and o= 10. What is the mean and standard error of the theoretical sampling distribution of the mean for sample sizes of (a) 25 and (b) 81? Ans. (a) x = 50 units and ox= 2 (b) μx = 50 units and ox = 1.07 XX1. +1₁ f+h f th 10 if th
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