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Author Question: Fifty samples of size 500 were drawn from a manufacturing process and the number of defectives in ... (Read 240 times)

itsmyluck

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on: Jul 24, 2018
Fifty samples of size 500 were drawn from a manufacturing process and the number of defectives in each sample was counted. The average of the sample proportion was 0.032 . The centerline for the p chart is:
 a. 0.032
  b. 16.0
  c. 0.512
  d. 0.968
  e. 4.2

Question 2

The sampling distribution of the ratio of two independent sample variances selected randomly from normal populations with equal variances is:
 a. a normal distribution
  b. a t distribution
  c. an F distribution
  d. a binomial distribution
  e. a chi-square distribution


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nathang24

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

A

Answer to Question 2

C


itsmyluck

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  • Posts: 546
Reply 2 on: Jul 24, 2018
Gracias!

dawsa925

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Reply 3 on: Yesterday
Wow, this really help

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