Two random samples of 25 people were asked how many 12-ounce cans of soda they consume each week. the first sample contained both males and females, aged 12-19. the second sample contained both males and females, aged 20-39. the results are shown in the table below.

sample #1

16

11

9

12

11

10

10

8

15

0

2

15

14

7

11

5

14

20

3

11

13

7

0

5

21

sample #2

18

14

0

7

5

7

10

7

6

9

12

3

14

4

11

16

0

10

9

5

0

16

11

2

4

part 1: find the mean of sample #2.

part 2: find the mean absolute deviation of sample #2. i need

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2