Given that the data

A= {, 7 ,22,19,7,42,12,83,6,19}

A) Themean and median

B) Q2

C) Standard deviation

Show all your calculations.

10)Tracy is interested in analyzing the length of songs included on herfavoriteplaylist. Thelengths ofthe songs minutes and seconds are given below.

3:44

3:40

4:57

4:08

4:02

4:03

4:09

2:39

4:04

4:06

3:32

4:03

4:27

3:03

4:13

4:05

5:13

4:01

3:40

3:53

3:02

3:43

3:29

4:05

4:38

5:21

4:06

4:32

A) Constructa relative frequency histogram for this data using intervals with A width of 15 seconds. Show your tables of sorted values and relative frequencies you can draw the final histogram by hand or use a spreadsheet program.

B)

What song lengthrepresentsthe30th percentile

11)

The following tablecontainsthe television viewing habits of Canadians according to types of programs The data was collected by Canada statistics in2004 constructa pie graphrepresentingthe data copy the table and your course journal and complete it with your results forangles,draw the final pie graph by hand

Type of program

Percentage

Angle

News and public affairs

24.4

drama

27.3

Variety and game shows

15.2

Comedy

10.0

Sports

6.5

Other

16.6

Thomas can choose one of two different routes to take to work. She records thetime (in minutes) that a trip takes for each route, over five days. He then records the times in the following table:

A) Find the mean and the standard deviation for each route

B) Whichis the best route for Thomas to take to work justify your answer

route1

39

42

39

41

42

route2

35

45

40

41

40

A )I construct a frequency polygon of this data and classify the distribution as uniform, unimodal, by model, positively skewed, or negatively skewed

B)Why might this type of distribution occur

Height inches

Frequency

40-43

3

44-47

8

48-51

12

52-55

9

56-59

4

60-63

8

64-67

12

68-71

7

72-75

3