Question

87. A business magazine randomly surveyed 210 business owners to determine the age at which they first began their own business. The following distribution represents the survey results: Age Frequency 18-22 27 23-27 54 28-32 55 33-37 31 38-42 21 43-47 10 48-52 7 53-57 3 58-62 2 a) Find the class mark, class boundaries, and relative frequencies for each class. b) Construct a frequency polygon and describe the shape of the distribution. c) Construct a "less than" cumulative frequency distribution. d) Construct a "more than" cumulative frequency distribution. e) Construct an ogive for the "less than" cumulative frequency distribution. f) What percentage of the business owners started their first business when they were younger than 33 years old? g) What percentage of the owners started their first business when they were 43 years or older? h) What percentage of the business owners started their first business when they were 23 to 32 years old?

          87. A business magazine randomly surveyed 210 business owners to determine the age at which they first began their own business. The following distribution represents the survey results:
Age Frequency
18-22 27
23-27 54
28-32 55
33-37 31
38-42 21
43-47 10
48-52 7
53-57 3
58-62 2
a) Find the class mark, class boundaries, and relative frequencies for each class.
b) Construct a frequency polygon and describe the shape of the distribution.
c) Construct a "less than" cumulative frequency distribution.
d) Construct a "more than" cumulative frequency distribution.
e) Construct an ogive for the "less than" cumulative frequency distribution.
f) What percentage of the business owners started their first business when they were younger than 33 years old?
g) What percentage of the owners started their first business when they were 43 years or older?
h) What percentage of the business owners started their first business when they were 23 to 32 years old?

87. A business magazine randomly surveyed 210 business owners to determine the age at which they first began their own business. The following distribution represents the survey results:
Age Frequency
18-22 27
23-27 54
28-32 55
33-37 31
38-42 21
43-47 10
48-52 7
53-57 3
58-62 2
a) Find the class mark, class boundaries, and relative frequencies for each class.
b) Construct a frequency polygon and describe the shape of the distribution.
c) Construct a "less than" cumulative frequency distribution.
d) Construct a "more than" cumulative frequency distribution.
e) Construct an ogive for the "less than" cumulative frequency distribution.
f) What percentage of the business owners started their first business when they were younger than 33 years old?
g) What percentage of the owners started their first business when they were 43 years or older?
h) What percentage of the business owners started their first business when they were 23 to 32 years old?

Added by Rafael M.

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