Question: A company is doing a hypothesis test to determine two machines to determine which produces less variation in a package size. Both distributions are normal,

A company is doing a hypothesis test to determine two machines to determine which produces less variation in a package size. Both distributions are normal, and the populations are independent. Use

a = 0.01

Ho : 1² = 2²

Ha : 1² > 2²

A sample from the first machine has a standard deviation of 5.7787 with a sample size of 26.

A sample from the second machine has a standard deviation of 4.4968 with a sample size of 39.

The test statistic is = ____________________ (Report answer accurate to 2 decimal places)

This, the decision is:

a. Fail to reject the null hypothesis

b. Reject the null hypothesis

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

A company is doing a hypothesis test to determine two machines to determine which produces less variation in package size. Both distributions are normal, and the populations are independent. Use=...

A company is doing a hypothesis test to determine two machines to determine which produces less variation in package size. Both distributions are normal. and the populations are independent. Use = a...

A manufacturer claims that the mean amount of juice in its 16 ounce bottles is 16.1 ounces. A consumer advocacy group wants to perform a hypothesis test to determine whether the mean amount is...

Hi! I need help really bad with these questions. Im struggling trying to figure out how to solve them. Thank you!!! :) A company is doing a hypothesis test on the variation in quality from two...

1 of 40 2.5 Points A researcher wants to check the claim that convicted burglars spend an average of 18.7 months in jail. She takes a random sample of 35 such cases from court files and finds that...

#1 A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness...

Computer Project BUS ADM 210, SPRING 2016 DUE: WEDNESDAY, MAY 4 BY 11:59 P.M. TO THE D2L DROPBOX Instructions: 1. Follow the directions for each problem. 2. Use JMP for all calculations. Answer the...

A - Short Questions Instructions: Answer all questions in your exam booklet. 1. A module has three assessment components: an initial assessment with a 20% weighting, a project with a 30% weighting...

a milk company has four machines that fill gallon jugs of milk. The quality control manager is interested in determining whether the average fill for these machines is the same. The following data...

The best definition for nonparametric statistics I can think of is when data does not fit inside the normal parameters of a normal distribution, it calls for the use of this statistical method....

Liquid oxygen (LOX) for the Space Shuttle can be stored at 90 K prior to launch in a spherical container 4 m in diameter. To reduce the loss of oxygen, the sphere is insulated with superinsulation...

On January 1, Jackson Corporation purchased a 25% equity investment in Batchelor Corporation for $150,000. At December 31, Batchelor declared and paid a $80,000 cash dividend and reported net income...

2. If public education fails to improve the quality of instruction in both primary and secondary schools, then it is likely that it will lose additional students to the private sector in the years...

What is proforma accumulated depreciation in 2020? 333 100 130 202 What is proforma accumulated depreciation in 2020? 333 100 130 202