Indicate which of the following choices best identifies the hypothesis test. The league mean batting average is 0.280 with a known standard deviation of 0.06. The Rattlers and the Vikings belong to the league. The mean batting average for a sample of eight Rattlers is 0.210, and the mean batting average for a sample of eight Vikings is 0.260. There are 24 players on the Rattlers and 19 players on the Vikings. Are the batting averages of the Rattlers and Vikings statistically different?

Question

Frederick Quinn

Mathematics

11 November, 23:53

Indicate which of the following choices best identifies the hypothesis test. The league mean batting average is 0.280 with a known standard deviation of 0.06. The Rattlers and the Vikings belong to the league. The mean batting average for a sample of eight Rattlers is 0.210, and the mean batting average for a sample of eight Vikings is 0.260. There are 24 players on the Rattlers and 19 players on the Vikings. Are the batting averages of the Rattlers and Vikings statistically different?

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Answers (1)

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Jason Byrd · Answer 1

Step-by-step explanation:

Here we found out that the two samples are independent, so we can use independent t test for testing the average batting rattlers and Vikings

Independent group mean, the population standard deviation and / population variance known.