Retaliation against company “whistle-blowers.” Individuals who report perceived wrongdoing of a corporation or public agency are known as whistleblowers. Two researchers developed an index to measure the extent of retaliation against a whistle-blower (Journal of Applied Psychology, 1986). The index was based on the number of forms of reprisal actually experienced, the number o f forms of reprisal threatened, and the number of people within the organization (e.g., co-workers or immediate supervisor) who retaliated against them. The table (next column) lists the retaliation index (higher numbers indicate more extensive retaliation) and salary for a sample of 15 whistle-blowers from federal agencies.
a Construct a
Retaliation Index | Salary |
301 | $62,000 |
550 | 36,500 |
755 | 21,600 |
327 | $24,000 |
500 | 30,100 |
377 | 35,000 |
290 | 47,500 |
452 | 54,000 |
535 | 19,800 |
455 | 44.000 |
615 | 46,600 |
700 | 15,100 |
650 | 70,000 |
630 | 21,000 |
360 | 16,900 |
b. Use the method of least squares to fit a straight line to the data.
c. Graph the least squares line on your scatterplot. Does the least squares line support your answer to the question in part a? Explain.
d. Interpret the y-intercept,
e. Interpret the slope,
f. Test the adequacy of the model using α = .05.
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