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Author Question: A fund raiser for United Way wants to know the average annual income of workers in a very large ... (Read 44 times)

LaDunn

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on: Jun 24, 2018
A fund raiser for United Way wants to know the average annual income of workers in a very large vegetable processing plant. She is able to obtain a sample of 30 annual wage levels (in thousands). She finds that the summation of the wages for the 30 is 370.7 and the standard deviation of 3.3 . What estimate may be used for ?

Question 2

Which of the following is not a part of the formula for constructing a confidence interval estimate of the population mean?
 a. A point estimate of the population mean
  b. The standard error of the sampling distribution of the sample mean
  c. The confidence level
  d. The value of the population mean
  e. The sample size


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ju

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

12.36

Answer to Question 2

D


LaDunn

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Reply 2 on: Jun 24, 2018
Wow, this really help

gcook

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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