A corporation is interested in developing a test for machine operators to aid supervisors in assigning tasks to the employees. One such test has been given to a random sample of operators and the scores have been studied in relation to the productivity of those workers, measured in parts produced in an hour:
a. Draw a scatter diagram.
b. Calculate the set of elementary estimates of (3. Find the median slope estimate.
c. Calculate the set of elementary estmates of a. Find the median intercept estimate. Write the equation of the regression line.
d. Do the data support the claim that higher scores result in higher productivity? State Ho and Ha and test. Find the P-value.
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