Main data regarding hypothesis test

Assignment Help Basic Statistics
Reference no: EM13109676


You want to prove that a population mean is not 7. Data is ratio and a large sample size will be used (n = 225). When the sample is done the sample mean is computed to be 7.2 and the sample standard deviation is 1.5. Test the hypothesis using an alpha of 5%. Use formal hypothesis testing and compute the p-value.


An associate asks for your help in deciphering the following Anova table, indicating that a test of means was performed. Unfortunately the person leaves before you can get any further explanation or detail, but you know the results must be presented before senior staff within twenty minutes!

Use the formal 5-step hypothesis testing model to describe the test.


Source of Variation SS df MS F Statistic P-value F critical

Between Groups 700.0 2 350.0 4.00 0.0288 3.32

Within Groups 2625.0 30 87.5

Total 3325.0 32

Reference no: EM13109676

Determine the reliability of achieving orbit

A space vehicle requires five out of its six main engines to operate in order to achieve orbit. If each engine has a reliability of 0.99, determine the reliability of achiev

Probability of purchaing coffee by customers

The Starbucks in the Bauer College of Business found that 24% of customers purchase more than one cup of coffee per day from their shop. If 180 customers are randomly select

Mean alcohol expenditures for ucm students

Use Excel and the data to test whether the mean alcohol expenditures for UCM students is equal to that of SBU students using a 1 % level of significance.

Total amount of money

Tamika's savings account has a balance of $4069. If she makes no deposits or withdrawals for 4 years, and the account accrues interest at 5% compounded quarterly, what will

Selling of averaged department store

An averaged department store sells 350 mens suits per year. The mens suit departments at a particular national chain of stores claim they sell more than the industry average

Sample distribution for discrete random variables

A discrete random variable Y takes the value -1, 0 and 1 with probabilities 1/2θ, 1- θ and 1/2θ respectively. Let Y1 and Y2 be two independent random variables, each with th

Outcomes of the two contract bids independent

Your company bids for two contracts. You believe the probability that you get contract #1 is 0.8. If you get contract #1, the probability that you also get con- tract #2 wil

Whether times have come from normally distributed population

Using the 0.10 level of significance, apply the Kolmogorov-Smirnov test for normality in examining whether the times could have come from a normally distributed population.


Write a Review

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