Find confidence interval, Basic Statistics

A sample of 40 golfers showed that their average on a particular course was 94 with a standard deviation of 6.

a. Find the 95% confidence interval of the mean score for all golfers.

b. Find the 95% confidence interval of the mean score for all golfers if a sample of 70 golfers is used instead of a sample of 40.

c. Which interval is smaller? Explain why.

Posted Date: 2/20/2013 5:39:12 AM | Location : United States







Related Discussions:- Find confidence interval, Assignment Help, Ask Question on Find confidence interval, Get Answer, Expert's Help, Find confidence interval Discussions

Write discussion on Find confidence interval
Your posts are moderated
Related Questions
Question 1:      (a)  The time it takes to deliver a pizza after an order is placed is uniformly distributed between 20 and 50 minutes. What is the probability that a pizza wil

difference between tests of goodness of fit & tests of independence

Find a population data set that contains six entries, has a mean of 5, and has a standard deviation of 2


what are the importances of time series


1. Warm-up Exercise Volumes I, II, III, and IV of Shakespeare are in sequence next to one another in the library bookcase.  Each volume has 2" of pages and the front and back co

who is the mathematician who invented replacement theory of operation research

A researcher is interested in the relationship between fathers' performance in high school and their children's social skills.  She obtains the high school transcripts of fathers a

What is the difference between parametric and non-parametric stats tests? What is the difference between parametric and non-parametric stats tests? Different kinds or levels of d