A manufacturer of cellular phones has decided that an assembly ...

[londonang]

A manufacturer of cellular phones has decided that an assembly line is operating satisfactorily if less than 0.0 5 of the phones produced per day are defective.
 
  To check the quality of a days production, the company decides to randomly sample 10 phones from a days production to test for defects. Define the population of interest to the manufacturer. A) all the phones produced during the day in question
  B) the 10 phones sampled and tested
  C) the 10 responses: defective or not defective
  D) the 0.05 of the phones that are defective

Question 2

Last year batting averages in professional baseball averaged 0.266 with a high of 0.334 and a low of 0.228 (minimum 250 at-bats). Based on this information, which measure of variation could be calculated?
 
  A) range B) variance
  C) standard deviation D) percentile

[carolinefletcherr]

Answer to Question 1

A

Answer to Question 2

A

[londonang]

Both answers were spot on, thank you once again

[carolinefletcherr]

Great! Please up vote