Health insurance administrative costs are a concern for many companies that supply the insurance for their employees. The information below is information gathered recently. Let x be the average number of employees in a group health insurance plan and y be the average administrative cost as a percentage of claims. Find the sample correlation coefficient. Round your answer to three decimal places.
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a. –0.83
b. –0.883
c. 0.78
d. 0.883
e. –0.78
b. –0.883
Mathematics
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Round the number to the place value indicated.
250
A. 2100 B. 1900 C. 2000 D. 3000
Mathematics
Use the Urban Prices Index Table to answer the question. The table shows what $100 worth of an item costs today. 
*All figures are expressed as a percent of the base of 100 from two decades ago.Urban area: ChicagoWhat does $100 of Medical cost today?
A. $371.90 B. $112.40 C. $367.60 D. $354.30
Mathematics
Remove parentheses and simplify the expression.7(y + 10) - 4
A. 7y + 66 B. 7y + 42 C. 17y - 4 D. 7y + 6
Mathematics
Identify the quadrant for the angle ? satisfying the following conditions.tan ? < 0 and sin ? < 0
A. Quadrant II B. Quadrant I C. Quadrant III D. Quadrant IV
Mathematics