Does data prove significant difference in mean gpas

Assignment Help Basic Statistics
Reference no: EM13134252

Semester GPAs are compared for seven randomly chosen students in each class level at Oxnard University. Does the data prove a significant difference in mean GPAs? GPA1 GPA for Randomly Selected Students in Four Business Majors.

Accounting Finance Human Resources Marketing
2.48 3.16 2.93 3.54
2.19 3.01 2.89 3.71
2.62 3.07 3.48 2.94
3.15 2.88 3.33 3.46
3.56 3.33 3.53 3.50
2.53 2.87 2.95 3.25
3.31 2.85 3.58 3.20

Reference no: EM13134252

Questions Cloud

Preparing the disclosure statements for these items : In the beginning of 2012, Ken Corp changed its salvage value of equipment from 3 to 5 years. The change is material in the financial statements.
Square determination : A checkered flag used for racing is a square flag containing 64 alternating white and black squares. How many squares on the checkered flag contain an equal number of white and black squares?
Reduce the total amount of emissions : What two policies could you use to reduce the total amount of emissions and why do you think they each would work?
Estimate the intrinsic values of an equity or debt security : To estimate the intrinsic values of an equity or debt security using present value theory you need to know:
Does data prove significant difference in mean gpas : Does the data prove a significant difference in mean GPAs? GPA1 GPA for Randomly Selected Students in Four Business Majors.
Record the 2011 entries for the purchase of the machine : Record the 2011 entries for the purchase of the machine and the lease on the books of Grande machinery and for Sunshine Engineering.
Information about holder inequality : Could you show me the easiest steps needed to prove the theorem of the Triangular inequaity for II . IIp (also called Minkowsky inequality) for L^p spaces.
Paper on the declaration of independence and public safety : writing a paper on the Declaration of Independence and Public Safety
Would type ii error solve problem : She was concerned that the test she wished to perform might have unacceptable large possibilities of Type II error, ß. Which of the following would solve this problem?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Density curve and percent of observations

Think about a density curve that consists of two line segments. The first goes from the point (0, 1) to the point (0.7, 1). The second goes from (0.7, 1) to (0.9, 2) in the xy-plane. What percent of observations fall below 0.70?

  Find weighted mean of each three-hour course

Find the weighted mean if each three-hour course counts for 18%, and each four-hour course counts for 23% of her final semester score.

  Create confidence interval for the mean commission

Construct a 99 percent confidence interval for the mean commission earned by local Tupperware dealers. You may assume the commissions are normally distributed.

  Find probability person do not have college education

Population have at least some college education. choose 10 persons at random. Find the probability that at least 5 do not have any college education.

  Example of research problem-probability distribution

What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution statistics? Explain.

  Probability of drawing red and black balls

If an urn is selected at random and a ball is drawn, find the probability it will be red.

  True proportion of students who have parents remarried

A college believes that 28% of applicants to that school have parents who have remarried. How large a sample is needed to estimate the true proportion of students who have parents who have remarried to within 5 percentage points with 95% confidenc..

  Z tests and levels of significance

Tourism is one consideration for CoffeeTime's future. A survey of 1,233 visitors to Mumbai last year revealed that 110 visited a small cafe during their visit. Laura claims that 10% of tourists will include a visit to a cafe.

  Find probability that the temperature will be above

A business man arrives on a randomly selected day in December. What is the probability that the temperature will be above?

  Probability that every household has cellular telephone

Suppose that you are conducting a survey of customer satisfaction regarding their cellular phone. If you called 11 households at random, what is the probability that every household has a cellular telephone?

  Standard normal random variable probability

Find the probability that a standard normal random variable will assume a value between: Find a z such that 70% of the area is above that value.

  Number of students that have taken the exam

In a class, the grade of a student on an exam is an RV with expectation 60 and variance 16. If the class average is between 55 and 65, with a probability greater than or equal to 0.9, determine the number of students that have taken the exam.

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