Assignment 01 1 - asdfad PDF

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Problems (Frequency Distribution) 1. A Food and Beverage Company ask 150 randomly sampled customers to take a taste test and select the beverage they preferred most. The results are shown in the table: Beverage

Number

Lemon lime Pepsi Cola plus Coca cola Total

20 40 30 60 150

a. What is the table called? Is the data qualitative or quantitative? b. Covert the table into relative frequency table. c. Draw a pie chart. What is the percentage of mostly preferred beverage?

2. The following table represents the weights (in pound) of 108 students of IUBAT. Weight (in pound) Number of students

100-109

110-119

120-129

130-139

140-149

150-159

6

18

46

25

10

3

Represent this dataset with histogram and frequency polygon on same graph.

3. In which scale of measurement will you put the following variables? Family size, Religion, level of satisfaction, length of schooling, Happiness, Age, room number, shoe number, Hair color, work status of women, CO2 Emission.

4. The Cambridge Power and light Company selected a random sample of 20 residential customers. Following are the amounts, to the nearest dollar, the customers were charged for electrical service last month: 54

48

58

74

31

47

75

46

60

70

67

68

39

35

56

66

33

62

65

67

a. Construct a frequency distribution mentioning number of classes and class interval. b. Portray this given data as a frequency polygon....