Solve the problem using your calculator.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. What is the correlation coefficient?
A. 0.224
B. -0.678
C. 0.678
D. -0.224
Answer: A
Mathematics
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Add in the indicated base.3034 + 224
A. 10014 B. 10314 C. 3314 D. 3254
Mathematics
Find the area of the rectangle or square.
17 in.
A. 119 square inches B. 1734 square inches C. 1445 square inches D. 1724 square inches
Mathematics
Solve the equation.-3.2 + x = 24.2
A. {26.9} B. {21} C. {27.4} D. {20.5}
Mathematics
Use front end rounding to estimate the sum or difference. Then find the exact answer to the problemCarlos's grocery bill was $8.82. He gave the clerk a $20 bill. How much change should he receive?
A. Estimate: $11; exact: $11.18 B. Estimate: $11; exact: $10.18 C. Estimate: $9; exact: $8.82 D. Estimate: $11; exact: $11.17
Mathematics