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

if my income for the rest of the month was 2,500 and i recieved 1,200 in cash balance on account where would i put this


if "profit" maximisation is biased towards maximising the interest of only one stakeholder group, would you expect that over time there will be less emphasis on profit and more emp

What is an adjusted trial balance

The descriptive statistics outputs for both the variables are as below: Wii Group Mean 95.8 Standard

The abstract is a one-paragraph [200-300 words] summary of what will be presented in the paper. The content that is required for the abstract includes [1-2 sentences each component

1.The resumés of 2 males applicants for a college teaching position in chemistry are places in the same file as the resumés of 2 female applicants. Two positions become available a

In a certain lake a limnologist wishes to estimate the proportion of lake trout with lamprey scars. (a) How large of a random sample should be taken if the limnologist has no pr

How Allotment is useful An agency''s plan of approximated expenses, income, money payments, and money invoices for monthly of the biennium.