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
The weight in Kg for each person was matched to their intake of fat per day in Grams.  9 people were selected with the following results. Weight (Xi)         Fat (Yi) 45

A second file on DocDepot named Marks.mtp contains the final exam percentages of students in ADM2304A in the Fall 2011 semester. Assume that the class can be considered a random sa


Research Assignment for Quantitative Methods 2 Purpose: To design, undertake and analyse research on a negotiated project, possible themes could be any one of the following:

A car moves with constant velocity along a straight road. Its position is x1 = 0m at t1 = 0 seconds and is x2 = 56 m at t2 = 5.0 s. what is the cars position at t=2.5 seconds and


regression line drawn as y=c+1075x,when x was 2,and y was 239,given that y intercept was 11.calculate the residual

Introduction Background information so the reader can better grasp the analyses you are going to present. This can include anything that puts the analyses into perspective for


1. A sample from 16 different farms across Quebec shows that the hay production in bales per acre is normally distributed N(100,50). a. (2p )What is the probability that a random