Sunday

February 1, 2015

February 1, 2015

Posted by **Laynette** on Friday, September 2, 2011 at 9:47pm.

Answer each of the following (show all work and state the final answer to at least two decimal places.):

(A) Find the 90% confidence interval of the mean score for all 106 golfers.

(B) Find the 90% confidence interval of the mean score for all golfers if this is a sample of 130 golfers instead of a sample of 106.

(C) Which confidence interval is larger and why?

- statistics -
**PsyDAG**, Friday, September 2, 2011 at 10:11pm90% = mean ± 1.645 SEm

Use same process indicated in your first post.

**Answer this Question**

**Related Questions**

statistics - A sample of 134 golfers showed that their average score on a ...

statistics - The average score of all golfers for a particular course has a mean...

math30 - The Mean and the Standard Deviation Last year, golfers at Smith Ranch ...

statistics - So if a depression scale has 30 items in it, and if an individual ...

statistics - So if a scale has 30 items in it, and if an individual gets a score...

statistics - Starting with a population that is normally distributed with a mean...

Data Management - Emilio has played ten rounds of golf this season. His mean ...

statistics - For a particular sample of 63 scores on a psychology exam, the ...

statistics - For a particular sample of 80 scores on a psychology exam, the ...

statistics - For a particular sample of 63 scores on a psychology exam, the ...