Difference between mean gpa for four sororities

Assignment Help Basic Statistics
Reference no: EM131050660

The Greek Council is comparing the mean GPAs of four sororities on campus. The GPAs for 10 girls in each sorority are given in the following table. Based on these data, can you conclude that there is a difference between the mean GPAs for these four sororities? Use a 0.05 level of significance.

Sorority GPAs

ΛΧΒ

ΩΣ

ΘΠ

ΔΜΟ

2.5

3.1

2.7

3.1

3.4

3.4

2.9

3.2

4.0

3.6

2.8

3.1

3.8

3.6

2.8

3.1

2.7

3.7

2.9

2.9

2.8

3.0

3.1

3.1

2.8

4.0

2.9

3.0

3.2

3.9

2.7

3.3

3.1

4.0

2.6

2.7

3.9

3.4

3.3

2.6

Reference no: EM131050660

Questions Cloud

Calculate a confidence interval for a population mean : A sample survey of 54 discount brokers showed that the mean price charged for a trade of 100 shares at $50 per share was $33.77 (AAII Journal, February 2006).
Normally distributed population with mean : An observation was drawn from a normally distributed population with mean 2.397 and standard deviation 0.612. If the observed value is 3.144, find the z-score. Give your answer accurate to 3 decimal places.
Replicate the figure : You have to use these numbers and some of the formulas including here, to replicate the figures. The final figures should be similar to the figures
Test the claim that there is no difference : That way you will have evidence to present to the director if you implement the cut in hours.  Test the claim that there is no difference at the .01 significance level.  Can you implement your staffing changes?
Difference between mean gpa for four sororities : The Greek Council is comparing the mean GPAs of four sororities on campus. The GPAs for 10 girls in each sorority are given in the following table. Based on these data, can you conclude that there is a difference between the mean GPAs for these fo..
How one can become a more effective speaker and communicator : Reflection and analysis are important parts of the communication process. Self evaluation is vital to understanding how one can become a more effective speaker and communicator.
Study the ages of couples applying for marriage licenses : A student wanted to study the ages of couples applying for marriage licenses in his county. He studied a sample of 94 marriage licenses and found that in 67 cases the husband was older than the wife.
Data on per capita consumption : Here is data on per capita consumption (in pounds) of mozzarella cheese in the US and the number of Ph.Ds in civil engineering awarded in the US for the years 2000 - 2009.
Fraud division of the district attorney office : You obtain an internship working in the fraud division of the District Attorney' office. One of the investigators believes that there is a tendency for those writing fraudulent checks to begin them with the number 5.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Suppose x has density function fx for aleqxleqb and ycxd

suppose x has density function fx for aleqxleqb and ycxd where cgt0. find the density function of

  Determining the probability that person has blood type o

Determine the probability that person selected has blood type O? Given that person selected is a male, determine the probability that their blood type is AB?

  Q a teacher gave a 25 question multiple choice test after

q. a teacher gave a 25 question multiple choice test. after scoring the tests she computed a mean and standard

  Test at the 5 level if the proportion of cows with

the prevalence of tuberculosis in cows is known to be 6. in a randomly chosen sample of 100 cows from a herd of 5000

  Formulate the null and alternative hypotheses

Construct a 95% CI for the proportion of households with family history of heart disease, separately for each race. Would you say the proportion of households with history of heart disease differ by race?

  Given that 30 of a community is hispanic when randomly

given that 30 of a community is hispanic when randomly selecting a jury of 12 persons what are the following

  Give probability bounds on the value of the sample mean

Give 0.95 probability bounds on the value of the sample mean that would be obtained. Also give 0.90 probability bounds on the value of the sample mean.

  Quadratic equation from its graph

How can you tell what are the solutions of a quadratic equation by looking at its graph? Explain.

  Te 2 largest challenges we face in applying a

provide me a half page response to the below discussion post.to review my employment is at a university where my

  1 you are tracking correlation of two funds fund a and fund

1. you are tracking correlation of two funds fund a and fund b. examining current quarter data to date the probability

  Find the total sample size needed using a two-sided test

The five-year disease-free survival rate for women receiving CEF alone as adjuvant therapy was estimated at about 60%, and it is hypothesized that the newly formed regimen would improve that rate from 60% to 70%. Find the total sample size needed ..

  Two elementary schools in a county

Suppose there are two elementary schools in a county. One school (A) loans all its students a laptop computer for use in classes. The other (B) does not

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