The following three independent random samples are obtained from three normally distributed populations with equal variances. The dependent variable is starting hourly wage, and the groups are the types of position (internship, co-op, work study). We are testing the claim that position is a factor in starting salaries for new college graduates. at a = 0.05 given the following data Group 1: Internship Group 2: Co-op Group 3: Work Study 8.5 12.5 14.5 9.5 8.5 16 8.75 14 18 16.5 11.25 12.75 11 12.5 14.5 9. 15 10 13.75 12.5 13 14 14.75 14.75 11 13.75 11.75 1. Your friend Hillary helped you with the null and alternative hypotheses... Ho: µ1 = µ2 = µ3 Hj: At least two of the means differ from each other. 2. For this study, we should use ANOVA 3. The test-statistic for this data = (Please show your answer to 3 decimal places.) 4. The p-value for this sample (Please show your answer to 4 decimal places.)

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.