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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 90 times)

Engineer

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on: Jun 24, 2018
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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Reply #1 on: Jun 24, 2018
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
Gracias!

yeungji

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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