Math Homework

Ask Math Questions. Get Help With Your Math Homework

Ask an Expert,

Get an Answer ASAP!

Customer Question

A teacher wishes to compare...

A teacher wishes to compare two different groups of students with respect to their mean time to complete a standarized test. The time required is determined for each group. The data summary is given below. Test the claim at a=0.10, that there is no difference in variance. Give the critical region, test statistic value, and conclusion for the F test.

n1= 60 s1=45

n2= 60 s2=83

a =0.10

State the null and alternate the hypotheses

Determine which test statistic applies, and calculate it

Determine the critical region

State your own decision: Should the null hypothesis be rejected?

n1= 60 s1=45

n2= 60 s2=83

a =0.10

State the null and alternate the hypotheses

Determine which test statistic applies, and calculate it

Determine the critical region

State your own decision: Should the null hypothesis be rejected?

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a math tutor or teacherLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

A new question is answered every 9 seconds

How JustAnswer works:

- Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
- Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
- 100% Satisfaction GuaranteeRate the answer you receive.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

Mr. Gregory White

Master's Degree

92 satisfied customers

M.A., M.S. Education / Educational Administration

JACUSTOMER-yrynbdjl-

Master's Degree

49 satisfied customers

I have taught college Mathematics for the past 10 years.

SusanAthena

Master's Degree

41 satisfied customers

Tutor for Algebra, Geometry, Statistics. Explaining math in plain English.

Dr Arthur Rubin

Doctoral Degree

38 satisfied customers

Ph.D. in Mathematics, California Institute of Technology

mhasan420

Master's Degree

29 satisfied customers

BA Maths, Oxford

Don

Master's Degree

17 satisfied customers

M.S. Astronautical Engineering. Math/Science/Comp Tutor

judybailey61

Bachelor's Degree

17 satisfied customers

20 years teaching mathematics

< Previous | Next >

Related Math Homework Questions

A teacher wishes to compare two different groups of students

A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is given … read more

5. A teacher wishes to compare two different groups of students

5. A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is giv… read more

A teacher wishes to compare two different groups of students

A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is given … read more

A teacher wishes to compare two different groups of students

A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is given … read more

abozer same deal . A teacher wishes to compare two different

abozer same deal . A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The dat… read more

abozer same deal . A teacher wishes to compare two different

abozer same deal . A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The dat… read more

1.A teacher wishes to compare two different groups of students

1.A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is give… read more

1.A machine produces 5-inch nails. A sample of 12 nails was

4. An insurance company states that 75% of its claims are settled within 5 weeks. A consumer group selected a random sample of 60 of the company's claims and found 40 of the claims were settled within… read more

For SCOTT A teacher wishes to compare two different groups

"For SCOTT" A teacher wishes to compare two different groups of students with respect to their mean time to a standardized test. The time is determined for each group. The data summary is given below.… read more

You are given the following data. Test the claim that there

You are given the following data. Test the claim that there is a difference in the means of the two groups. Use a=0.05. Group A: x-bar1=2, s1=19, n1=31. Group B:x-bar2=5, s2=18,n2=49. State the null a… read more

Question for Angel Mathew 1.A machine produces 5-inch nails.

Question for Angel Mathew 1.A machine produces 5-inch nails. A sample of 12 nails was selected and their lengths determined. The results are as follows: 4.94 4.94 5.07 4.91 4.98 5.00 4.94 5.09 5.00 4.… read more

5. A teacher wishes to compare two different groups of students

5. A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is giv… read more

5. A teacher wishes to compare two different groups of students

5. A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is giv… read more

5. . A teacher wishes to compare two different groups of students

5. . A teacher wishes to compare two different groups of students with respect to their mean time to complete a standardized test. The time required is determined for each group. The data summary is g… read more

For Steve Also I did not mention that the last questions

For Steve Also I did not mention that the last questions from the 31 have a different format that does not show the symbols. Can you send me these questions again, please. 5. A teacher wishes to compa… read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.