In a completely randomized design, eight experimental units were used for each of the five levels of the factor. Consider the following ANOVA table.SourceSumDegreesof FreedomMeanp-valueof Variationof SquaresSquareTreatments34048522.880.0000Error130353.71Total47039(a) What hypotheses are implied in this problem?O Ho: H1 # H2 + Hz# H4# H5Ha: H1 = H2 = H3 = H4= H5%3DO Ho: H1 = H2 = H3H4 = H5H: Not all the population means are equal.%3D: Not all the population means are equal.HoHa: H1 = H2 = Hz= H4= H5Ho: At least two of the population means are equal.H: At least two of the population means are different.= 4Hoi H1 = H2 = H345+ H5(b) At the a = 0.05 level of significance, can we reject the null hypothesis in part (a)? Explain.Because the p-value > a = 0.05, we cannot reject Ho:Because the p-value < a = 0.05, we cannot reject Ho:Because the p-value > a = 0.05, we can reject Ho:Because the p-value < a = 0.05, we can reject Ho:

Given: ANOVA table: Source of variation SS df MS F p value Treatment 340 4 85 22.88 0 Error…

Answered: In a completely randomized design,…

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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You are interested in investigating whether the type of computer a person primarily uses and the type of car they drive are dependent. The table below shows the results of a survey. α = 0.01 significance level. Sedan SUV Truck Tablet 100 95 60 Notebook 119 106 37 Desktop 112 103 27 The test-statistic for this data =_____ (Please show your answer to three decimal places.) The p-value for this sample =_____ (Please show your answer to four decimal places.)
Mean 1001 206 Levene's Test for Equality of Variances Sig. 15.578 <.001 .510 1.402 df Sig. (2-tailed) 1205 .014 261.832 035 -3.168 -3.168 Std. Error Difference 3. Do Whites spend a significantly different amount of time on the internet (WWWHR) than Blacks? Group Statistics Std. Error Race of respondent N Std. Deviation Mean Www.hours per week WHITE 13.29) (16.124) BLACK 16.46 20.120 Independent Samples Test t-test for Equality of Means Mean t Difference Www hours per week -2.455 Equal variances assumed -2.124 Equal variances not assumed 1.291 1.492 95% Confidence Interval of the Difference Lower Upper -5.701 -6.106 -.636 -.231
The second slide is the first part of the question and the first slide is the second part of the question
In a study where the least squares estimates were based on 34 sets of sample observations, the total sum of squares and regression sum of squares were found to be: SST = 4.38 and SSR = 4.18. What is the error sum of squares? Multiple Choice 1.07 0.20 0.320 8.74
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Second slide is the first part of the question and first slide is the second part of the question.
An experiment has been conducted for four treatments with eight blocks. Complete the following analysis of variance table (to 2 decimals but p-value to 4 decimals, if necessary). If answer is zero enter "0". Source Sum Degrees Mean of Variation of Squares of Freedom Square F p-value Treatments 1,000 Blocks 600 Error Total 1900 Use a = 0.05 to test for any significant differences. The p-value is - Select your answer - What is your conclusion? Select your answer - 0- Icon Key
What are the values for SS and variance for the following sample of n = 3 scores? Sample: 8, 5, 2
In a completely randomized design, 12 experimental units were used for the first treatment, 15 for the second treatment, and 20 for the third treatment. Complete the following analysis of variance (to 2 decimals, if necessary). If the answer is zero enter "0". Source of Variation Sum of Squares Degrees of Freedom Mean Square 8 8 Treatments Error 1000 700 2 24 * Ⓡ 650 The p-value is less than 0.01 What is your conclusion? Cannot conclude that the means of the three treatments are equal v 29.17 Total 1800 44 At a 0.05 level of significance, is there a significant difference between the treatments? F 47.65 * p-value 0 ✔ 4
"What i v nighest level of education you've completed?" and "If you're employed full-time, how many hours do you spend working at your job during a typical week?" In a recent year, 1125 respondents answered both questions. The summary statistics are given in the chart below. (The sample data consist of the times, in hours per week, that were given by the respondents.) Sample Sample Sample size Groups mean variance Less than h.s. 257 43.1 110.1 High school 292 44.2 84.9 Bachelor's 294 42.7 105.8 Graduate 282 43.6 100.8 Send data to calculator Send data to Excel To decide if there are any differences in the mean hours per week worked by these different groups, we can perform a one-way, independent-samples ANOVA test. Such a test uses the following statistic. Variation between the samples F = Variation within the samples For the data from the survey, F - 1.22. (a) Give the p-value corresponding to this value of the F statistic. Round your answer to at least three decimal places. (b) From…
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