Solve the problem.Find the mean for the data items in the given frequency distribution. Round to two decimal places, if necessary.
A. 7.52
B. 6.54
C. 6.1
D. 5.51
Answer: B
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The following table shows the number A, in thousands, of federal methamphetamine arrests t years after 2006. t 0 1 2 3 A 5.81 5.54 4.74 4.64A: Find the equation of the regression line.B: Plot the data along with the regression line.C: Explain in practical terms the meaning of the slope of the regression equation.D: What number of arrests does the regression line predict for 2014?
What will be an ideal response?
Perform the indicated division and find a simplified expression.If a submarine goes 2k3 + 13k2 + 10k - 25 miles in 2k + 5 hours, what is its rate of speed?
A. k3 + 4k2 - 5k miles/hr B. k2 - 4k + 5 miles/hr C. k2 + 4k - 5 miles/hr D. k2 + 9k - 5 miles/hr
Use a calculator to find the approximate value of the expression rounded to two decimal places.tan 37°
A. 0.80 B. 0.75 C. 0.60 D. -0.84
Calculate. Write the answer as a mixed number as needed.16
- 2 ? 1
A. 14
B. 13
C. 14
D. 15