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Author Question: Uppose a manufacturer, Company B, produces lawnmowers and a researcher is interested in the ... (Read 160 times)

javeds

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on: Jun 24, 2018
uppose a manufacturer, Company B, produces lawnmowers and a researcher is interested in the proportion of all lawnmowers purchased that are made by this manufacturer. A random sample of 150 individuals who purchased lawnmowers was taken and it was found that 42 of them purchased lawnmowers produced by Company B. Which of the following is an unbiased estimate of the population proportion of all lawnmowers purchased that are produced by Company B?
 a. 42
 
  b. 0.28
 
  c. 0.72
 
  d. The population proportion is not known so an unbiased estimate cannot be determined.

Question 2

Samples with large within variation have boxplots with:
 a. wide boxes and long lines extending from them
  b. wide boxes and no lines extending from them
  c. short boxes and no lines extending from them
  d. short boxes and short lines extending from them


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ErinKing

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

b

Answer to Question 2

a


javeds

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Reply #2 on: Jun 24, 2018
Thank you


ErinKing

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Reply #3 on: Jun 24, 2018
No problemo


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