The critical value for a two-tailed test of h0: β1 = 0 at α =.05 in a simple regression with 22 observations is:

What expression is equal to 75. Squared?

4x - 6 = 22 Answer?

The data shows the number of years that 30 employees worked for an insurance company before retirement. is the population mean for the number of years worked, and % of the employees worked for the company for at least 10 years.

The sum of twice a number and 5 less than the number is the same as the difference between - 17 and the number. What is the number? A) 3 B) 2 C) - 4 D) - 6

While investigating customer complaints, the customer relations department of Sonic Air found that 15 percent of the flights arrive early and 25 percent arrive on time.

The equation y = 55x + 85 describes the amount of money a plumber charges, where y is the total amount he charges and x is the number of hours he works. The table shows the total amount of money an electrician charges.

The formula C = 2πr relates the radius r of a circle to its circumference C. Solve the formula for r.

Susan found a bag of 20 golf balls at a garage sale, and bought the bag for 75 cents. Express the ratio of cost to number of balls in lowest terms. 20:75 75:20 4:15 15:4

What can you say about the graph of the function below? Check all that apply. F (x) = 4 * (7) ^x A. the y intercept is (0,7) B. the y-intercept is (0,7) C. the y-intercept is (0,4) D. the range of F (x) is all real numbers

Write an equation for the line in slope-intercept form The slope of the line is 3. The y-intercept is (0,4)