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Author Question: The scores of a sample of 5 students, selected from a large population, are given below. Score 70 80 ... (Read 89 times)

Engineer

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The scores of a sample of 5 students, selected from a large population, are given below. Score 70 80 60 90 75
 a. Determine a point estimate for the variance of the population.
  b. Determine a 95 confidence interval for the variance of the population.
  c. At the 10 level of significance, test to determine if the variance of the population is less than or equal to 50.

Question 2

For all waiting lines, P0 + Pw = 1.
 a. True
  b. False
  Indicate whether the statement is true or false



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mfedorka

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Answer to Question 1

a. 125
b. 44.871 to 1033.058
c. H0: 2  50
Ha: 2 > 50
2 = 10 > 7.779 (p-value is between .025 and .05); reject H0

Answer to Question 2

FALSE




Engineer

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


jamesnevil303

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Reply 3 on: Yesterday
Wow, this really help

 

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