3. what is the largest possible range of the distribution of group mean class size?

Step-by-step explanation:

1) Retrieving information:

"The number of students 2nd period Math: 32 27 26 23 25 22 30 19"

2) Ordering these numbers:

19  22  23  25  26  27  30  32

3) Calculate the mean of the largest numbers:

Do the same with the smallest ones:

4) Subtract them:

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed