Find confidence interval, Basic Statistics

Assignment Help:

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.


Related Discussions:- Find confidence interval

Impulse-momentum theorem, Impulse and Momentum Theorem   Impulse is known...

Impulse and Momentum Theorem   Impulse is known as the change in momentum of any object:  j  = Δ p   Momentum  is a product of the mass & the velocity of an object, and is a v

Joy, Ask questio How many women must be randomly selected to estimate the m...

Ask questio How many women must be randomly selected to estimate the mean weight of women in one age group? We want 90% confidence that the sample mean is within 3.7 lbs of the po

accounting, Fenn Museum, a nongovernmental not-for-profit organization, ha...

Fenn Museum, a nongovernmental not-for-profit organization, had the following balances in its statement of functional expenses: Education $300,000 Fundraising 250,000 Management an

Calculate stress in the string, question.. A prevent of huge m1 and bodywe...

question.. A prevent of huge m1 and bodyweight w1 = m1g goes on a stage frictionless exterior. It is attached by a gentle versatile string moving past over a little frictionless l

Cost accounting, difference between financial statement and annual report ....

difference between financial statement and annual report .

What is owner’s equity, What is owner’s equity? Owner’s value is on...

What is owner’s equity? Owner’s value is one of the three primary elements of a single proprietorship’s stability piece and bookkeeping situation. Owner’s value symbolizes

Collection of information, This methods implies the collection of inform...

This methods implies the collection of information by way of investigator own observation without interviewing the respondents. While the observational methods may be suitabl

Minitab run a multiple linear regression, Have Minitab run a multiple linea...

Have Minitab run a multiple linear regression to predict the margin of victory using the four predictors (home team record, away team record, stat1diff, stat2diff). Store the resi

Construct the frequency distribution, 1) Here we are given a raw data and w...

1) Here we are given a raw data and we are supposed to construct the frequency distribution of that data and plot the histogram of it. The dataset contains the values from 1 to

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd