3. Below are monthly data on sales of a department store. What type of graph will best represent the data? Draw and explain the graph.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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3.3 Activity/Exercise
Frequency Distribution and Presentation of Data:
1. Make a frequency distribution table and construct a line graph and
a bar graph of the following grades using a class interval of 5.
70
71 67 90 51 70 90 91 71 65
71
72
73
74
75
76
63 65 76 79 80 71 76 54 80
72 63 87 91 90 45 67 79 81
81 58 76 72 62 51 76 76 90
71 72 89 90 76 71 88 69 66
80 79 71 75 58 50 47 67 67
52 64 88 54 70 80 92 66 81
2. Tabulate the following scores into frequency distribution using an
interval of 5. Make a graph using the data in your table.
62 69 66 90 54
79 78 57 81 65
73 95 63 77 56
74 85 71 78 71
87 58 71 78 65
76 52 84 86 70
79 85 74 92
97 94 62 85
84
80
90
82
84
70
89
77
3. Below are monthly data on sales of a department store. What
type of graph will best represent the data? Draw and explain the
graph.
Month
January
February
March
April
May
June
July
August
September
October
November
December
Sales (in thousand pesos)
200
400
600
500
750
750
450
400
350
300
550
1,000
Transcribed Image Text:3.3 Activity/Exercise Frequency Distribution and Presentation of Data: 1. Make a frequency distribution table and construct a line graph and a bar graph of the following grades using a class interval of 5. 70 71 67 90 51 70 90 91 71 65 71 72 73 74 75 76 63 65 76 79 80 71 76 54 80 72 63 87 91 90 45 67 79 81 81 58 76 72 62 51 76 76 90 71 72 89 90 76 71 88 69 66 80 79 71 75 58 50 47 67 67 52 64 88 54 70 80 92 66 81 2. Tabulate the following scores into frequency distribution using an interval of 5. Make a graph using the data in your table. 62 69 66 90 54 79 78 57 81 65 73 95 63 77 56 74 85 71 78 71 87 58 71 78 65 76 52 84 86 70 79 85 74 92 97 94 62 85 84 80 90 82 84 70 89 77 3. Below are monthly data on sales of a department store. What type of graph will best represent the data? Draw and explain the graph. Month January February March April May June July August September October November December Sales (in thousand pesos) 200 400 600 500 750 750 450 400 350 300 550 1,000
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