Graded Homework 7

SKQ-101 Online Sections Graded Homework 7

Directions: Draw a circle around your answer(s) for each question and show all of

your work.

Graded Question #1

A survey was conducted to find out the favorite type of cuisine among 100 people. The

results were categorized into five types: Italian, Chinese, Mexican, Indian, and American.

The goal of the graph is to show how each cuisine makes up a portion of the whole groups

preferences. What type of display (bar graph, line graph, or pie chart) would be most

appropriate for this data? Explain your reasoning.

Graded Question #2

You have a list of eight different countries and the number of Olympic medals each won in

the last games. What type of display would be most appropriate to compare the number of

medals won by each country? Explain your reasoning.

Graded Question #3: Unit C Exercise 8 Page 177

Decide whether the following statement makes sense (or is clearly true) or does not make

sense (or is clearly false). Explain your reasoning.

Statement: The relative frequency of B grades in our class was 0.3.Graded Question #4

(a) Complete the frequency table for the following data set:

Final grades of 20 students in a math class:

A, A, A, A, A, B, B, B, C, C, C, C, C, C, C, C, C, D, D, F

Grade

Frequency

Relative Frequency

Cumulative Frequency

A

B

C

D

F

Totals

(b) Make a pie chart of the relative frequencies to display the data. Be sure to include a

title, a legend or labels for each section, and percentages for each section.Graded Question #5

(a) Use ten-point bins to make a frequency table for the following data set that shows

the final grades of 20 students in a science class:

91

72

78

75

78

70

83

95

69

84

77

88

98

90

92

68

86

79

60

96

Grade

Frequency

Relative Frequency

Cumulative Frequency

60 to 69

70 to 79

80 to 89

90 to 99

Totals

(b) Make a histogram to display the data. Be sure to include a title, vertical

scale and label, and horizontal scale and label.

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