Why shouldn't classes overlap when summarizing continuous data in a frequency or relative frequency distribution?

Obtain the sample standard deviation 9, 10, 11, 12,13,14,15,16,17

Arrange the parabolas represented by the equations in increasing order with respect to the y-values of their directrixes.

What is 1.47 rounded to nearest whole number

While on vacation in Dover, Jenna went out for a dinner that cost $50. If sales tax in Dover is 14% and Jenna left an 18% tip on $50, what was the total cost of her meal?

If 9 is added to twice a number and this sum is multiplied by 2 the result is the same as if the number is multiplied by 3 and 12 is added to the product? What is the number?

Estimate 462809 + 256738

Which number (s) below belong to the solution set of the equation? Check all that apply. x + 12 = 13

Write an equation for the sentence: the difference of 6n and - 5 is - 13

What is the slope of the line represented by the equation f (x) = 2/3x - 4?

Find the mean of the data set. if necessary, round to the nearest tenth. 18 14 8 22 25 8