3. Here is the data from the 20 students again: {0,
0,1,1,2,2,2,3,3,3,3,3,3, 4, 4, 4, 4, 5, 5, 6).
Find the mean and standard deviation for
number of siblings.
What percent of the data is within one
standard deviation from the mean? Enter your
answer as a percent XX%.

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)