Homework Answers
The statistical software output for this problem is:
Hence,
1.Equation of regression line:
y = 0.223 + 2.003x
2. Coefficient of correlation (r) = 0.817
3. Coefficient of determination (r2) = 0.668
4. Standard error = 6.783
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QUESTION 1 Two different tests are designed to measure employee productivity and dexterity. Several employees are...
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Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary. Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results (please type answer for easy clarity). Productivity 23 25 28 21 21 25 26 30 34 36 Dexterity 49 53 59 42 47 53 55 63 67 75
Use the given data to find the equation of the regression line. Round the final values...
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Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary. Two different tests are designed to measure employee productivity and dexterity. Several employees are randomly selected and tested with these results. Productivity (x) 23 25 28 21 21 25 26 30 34 36 Dexterity () 4953 59 42 47 53 55 63 67 75 OAý 753-nay O 2 y = 2 38 + 2 033 Ocỹ = 10.7+1.53x...
statistics help
15) Express the alternative hypothesis in symbolic form. A professor dlaims that the mean amount of time (in hours) sophomores spent studying for the statistics final exam is more than that of freshmen. Assume that the two samples are independent. Let the freshmen be the first population and the sophomores be the second 16) Assume that the following confidence interval for the difference in the mean length of male (sample 1) and birth was constructed using independent simple...
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