About what percentage of the data lies within 2 standard deviations of the mean in a normal distribution?

The annual growth of Jason's spider collection is represented by the table. What does the 3 represent?

Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, variance, and standard deviation for the given sample data. What do the results tell us? 59 19 30 75 42 49 57 81 11 87 91

Select all of the terms that are "like." a. xy 2 b. 2xy c. x 2 d. - xy e. 2x 2y f. xy

What is the distribution of the box-and-whisker plot

Larry played the drums for 3 and 1/8 hour each day while five day band camp also played the marimba 1 and 3/5 hours on two of those days.

Sally has 3 dozen fig trees which she planted in 4 rows how many trees were in each row?

Which of the following fractions can be represented by a terminating decimal? A. 8/5 B. 8/3 C. 1/11 D. 4/9

What times what is equals to 330

What is the formula of finding the area of a triangle? a. A=1/2bh b. A=1/2h (b1+b2) c. A=bh d. A=lwh

While driving on the freeway, Jennifer was operating her vehicle at 10 miles per hour more than Amy.