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Author Question: The scientific management revolution of the early 1900s was initiated by a. James Lingo b. Herbert ... (Read 129 times)

nelaaney

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on: Jun 24, 2018
The scientific management revolution of the early 1900s was initiated by
 a. James Lingo
 b. Herbert Simon
 c. Frederic Taylor
 d. George Dantzig

Question 2

A random sample of 20 observations showed a standard deviation of 8 . At 95 confidence, test to see if the variance of the population is significantly less than 65 . Use the critical value approach.


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Bsand8

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Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

H0: 2  65
Ha: 2 < 65 chi-square = 18.708 > 10.117; do not reject H0


nelaaney

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

coreycathey

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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