A school district uses four different methods of teaching their students how to read.They want to find out if there is any significant difference between the reading scores achieved using the four methods.It creates a sample of 8 students for each of the four methods.The reading scores achieved by the participants in each group are as follows:Method 15187504879615354SUMMARYRequired:Complete the ANOVA tables below:GroupsMethod 1Method 2Method 3Method 4ANOVASource of VariationBetween GroupsWithin GroupsTotalMethod 282919280Since p-value is52797374CountSS00 00 00 0083333888Method 37984749863838558Sumalpha483623624575dfMethod 48580657167Average60.37577.8757871.875Alpha516393rejectMSVariance214.2678571157.5535714164.5714286181.5535714F0.05the null hypothesis.SSP-valueF crit

The given data is as follows: Method 1Method 2Method 3Method…

Answered: A school district uses four different…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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needs to be done using the calculator method please ti 83 or 84
Three different milling machines were being considered for purchase by a clothes manufacturing company. The company would be purchasing hundreds of these machines. To make sure it made the best decision, the company borrowed five of each machine which is assigned to 15 technicians. Each machine was put through a series of tasks and was rated using a standardized test. The following data were obtained. Perform an ANOVA on these data at 1% level of significance
We have presented partially completed two-way ANOVA tables for a balanced ANOVA. a. fill in the missing entries. b. determine the number of levels for each factor. c. determine the common sample size.
Q18. Why do we conduct post hoc analysis in ANOVA? a. To make a comparison on individual adjusted R-squares B. To make a comparison of the individual group meansC. To make a comparison of the individual group scatter plots D. None of the above
State the two-way ANOVA identity for degrees of freedom and interpret its meaning with regard to partitioning the total degrees of freedom in the data.
Identify whether the studies described here are based on (1) single samples, (2) paired samples, or (3) independent samples. Cardiovascular disease risk factors are compared in husbands and wives. A nutritional exam is applied to a random sample of individuals. Results are compared to the results of the whole nation. An investigator compares vaccination histories in 30 autistic schoolchildren to a simple random sample of non-autistic children from the same school district.
State the number of degrees of freedom available for determining the within-samples variation.
7. please help a through d.
On a particular proposal of national importance, males and females cast votes as included in the following table In Favor Opposed Undecided Male 90 65 43 Female 115 74 32 Suggest an appropriate test for the data and analyze it at 1% level of significance.
Acne is a common skin disease that affects most adolescents and can continue into adulthood. A study compared the effectiveness of three acne treatments and a placebo, all in gel form, applied twice daily for 12 weeks. The study's 517 teenage volunteers were randomly assigned to one of the four treatments. Success was assessed as clear or almost clear skin at the end of the 12 week period. The results of the study can be seen in the table below. Using the appropriate statistical test, determine if there is significant evidence that the four treatments perform differently. If so, how do they compare.
ShopEasy Inc. is a specialty e-tailer that operates 87 catalogue websites on the Internet. Larson Brown, Sales Director, feels that the style (colour scheme, graphics, fonts, etc.) of a website may affect its sales. He chooses three levels of design style (neon, old world and sophisticated) and randomly assigns six catalogue websites to each design style. Analysis of Larson's data yielded the following ANOVA table: Source of Variation Between Groups Within Groups Total SS 19.43 2.85 O 3.68 O 19.45 O 3.57 df 68102.33 2 34051.17 Using a = 0.05, the critical F value is MS 29177.67 15 1945.178 97280 17 F
Table 1 summarizes the demographic and baseline data. Since two independent groups were included, the baseline data between these two groups were compared and p values were included in this table. Please tell which specific statistical test was used for the comparison between number of intubation attempts and trauma. Your answer should be as specific as possible. For example, was the test two-sided or one-sided? Was the test for paired samples or not?

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