Question
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
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
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