Please show work

1.make a frequency table or stem and leaf diagram using the following distribution:

40, 30, 37, 29, 45, 47, 42, 26, 31, 50, 55

2.make a frequency table or stem and leaf diagram using the following distribution:

32, 13, 17, 12, 12, 26, 25, 29, 29, 32, 32, 40

3.or the sample, 88, 89, 20, 92, 90, 90, find the following values:

a.make a frequency table or stem and leaf plot

1. n=
2. mean=
3. median=
4. mode=
5. SS=
6. variance=
7. standard deviation=

4.For the sample, 78, 82, 72, 82, 80, 77, find the following values:

a. Make a frequency table or stem and leaf plot

1. Find the following values:
2. n=
3. mean=
4. median=
5. mode=
6. SS=
7. variance=
8. standard deviation=

5.For the sample, 71, 82, 92, 90, 71, 96, find the following values:

a. Make a frequency table or stem and leaf plot

b. Find the following values:

c. n=

d. mean=

e. median=

f. mode=

g. SS=

h. variance=

i. standard deviation=

6.Make a histogram that demonstrates the frequency of scores, in intervals of 10, for the following distribution.

Scores: 1 student scored 20% on his/her exam, 1 student scored 40% on his/her exam, 1 student scored 50% on his/her exam, 3 students scored 60% on their exams, 10 students scored 70% on their exams, 7 students scored 80% on their exams, 5 students scored 90% on their exams, and 2 students scored 100% on their exams.

1. Find the mean for the scores above
2. Find the SS for the scores above
3. Find the Variance for the scores above
4. Find the SD for the scores above