Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.

Get a Professional Answer

Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.

100% Satisfaction Guarantee

Rate the answer you receive.

Ask Sandhya Your Own Question

Sandhya, Tutor

Category: Homework

Satisfied Customers: 3681

Experience: I have several years of teaching experience.

14910578

Type Your Homework Question Here...

Sandhya is online now

Need help with statistic problems ANOVA assumes equal variances

Customer Question

Need help with statistic problems? ANOVA assumes equal variances within each treatment. A) True B) False 2 Comparison of c means in one-factor ANOVA is the same as using c repeated t-tests. A) True B) False 3 Hartley's test measures the equality of the means for several groups. A) True B) False 4 If you have 4 factors (call them A, B, C and D) in an ANOVA experiment with replication you could have 4 different two-factor interactions. A) True B) False 5 Use the following scenario to answer questions 5 to 12. Sound engineers studied factors that might affect the output (in decibels) of a rock concert speaker system. The desired level of significance was α = .05. The results of their ANOVA tests are shown.The number of positions tested was A) 1 B) 2 C) 3 D) 4 6 The number of amplifiers tested was A) 1 B) 2 C) 3 D) 4 E) 24 7 The number of observations was A) 16 B) 19 C) 23 D) 24 8 The number of observations per cell was A) 1 B) 2 C) 3 D) 4 9 The effect of amplifier was A) significant. B) insignificant. C) borderline. 10 The effect of position was A) significant. B) insignificant. C) borderline. 11 The F statistic for amplifier was A) 10.16 B) 9.90 C) 5.72 12 The interaction was A) significant. B) insignificant. C) borderline. Use the following scenario to answer questions 13 to 15. Three randomly-chosen pieces of four types of PVC pipe of equal wall thickness are tested to failure to determine the burst strength (in pounds per square inch) under three temperature conditions, yielding the results shown below. 13 Which test would be appropriate? A) two-factor ANOVA with replication. B) one-factor ANOVA. C) dependent (paired samples) t-test. D) two-factor ANOVA no replication. 14 Total degrees of freedom would be A) 19 B) 12 C) 35 D) 59 15 An interaction test would be appropriate. A) True. B) False

Optional Information: State/Country relating to Question: United States

Already Tried: I am in need of help don't know statistics

1.) ANOVA assumes equal variances within each treatment. A) True B) False

2.) Comparison of c means in one-factor ANOVA is the same as using c repeated t-tests. A) True B) False

3 Hartley's test measures the equality of the means for several groups. A) True B) False

4 If you have 4 factors (call them A, B, C and D) in an ANOVA experiment with replication you could have 4 different two-factor interactions. A) True B) False

5 Use the following scenario to answer questions 5 to 12. Sound engineers studied factors that might affect the output (in decibels) of a rock concert speaker system. The desired level of significance was α = .05. The results of their ANOVA tests are shown.The number of positions tested was A) 1 B) 2 C) 3 D) 4

6 The number of amplifiers tested was A) 1 B) 2 C) 3 D) 4 E) 24

7 The number of observations was A) 16 B) 19 C) 23 D) 24

8 The number of observations per cell was A) 1 B) 2 C) 3 D) 4

9 The effect of amplifier was A) significant. B) insignificant. C) borderline.

10 The effect of position was A) significant. B) insignificant. C) borderline.

11 The F statistic for amplifier was A) 10.16 B) 9.90 C) 5.72

12 The interaction was A) significant. B) insignificant. C) borderline. Use the following scenario to answer questions 13 to 15. Three randomly-chosen pieces of four types of PVC pipe of equal wall thickness are tested to failure to determine the burst strength (in pounds per square inch) under three temperature conditions, yielding the results shown below.

13 Which test would be appropriate? A) two-factor ANOVA with replication. B) one-factor ANOVA. C) dependent (paired samples) t-test. D) two-factor ANOVA no replication.

14 Total degrees of freedom would be A) 19 B) 12 C) 35 D) 59

15 An interaction test would be appropriate. A) True. B) False

Optional Information: State/Country relating to Question: United States

Already Tried: I am in need of help don't know statistics

the following scenario to answer questions 13 to 15. Three randomly-chosen pieces of four types of PVC pipe of equal wall thickness are tested to failure to determine the burst strength (in pounds per square inch) under three temperature conditions, yielding the results shown below.

THIS ANSWER IS LOCKED! You can view this answer by clicking here to Register or Login and paying $3. If you've already paid for this answer, simply Login.

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.

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.

What Customers are Saying:

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

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C.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!!!!AlexLos 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.GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.JustinKernersville, 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. EstherWoodstock, 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. RobinElkton, 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.DianeDallas, TX