Chapter 02, Section 2.1, Problem 003

Chapter 02, Section 2.1, Problem 003
The following data give the results of a sample survey. The letters A, B, C represent the three
categories.
A B A C B B A C A C
C C A B A C B C B B
B C A B C A B B B C a. Prepare a frequency distribution table. Categor
y
A B C Frequency 8 12 10 SHOW HINT
LINK TO TEXT b. Calculate the relative frequencies and percentages for all categories.
Round your answers for relative frequencies to three decimal places and your answers for
percentages to one decimal place.
Categor
Relative Frequency
y
A B C Percentage SHOW HINT
LINK TO TEXT c. What percentage of the elements in this sample belong to Category A?
Round your answer to one decimal place.
% of the elements in this sample belong to category A.
1 the tolerance is +/-2% SHOW HINT
LINK TO TEXT d. What percentage of the elements in this sample belong to category B or C?
Round your answer to one decimal place.
% of the elements in this sample belong to category B or C. the tolerance is +/-2% SHOW HINT
LINK TO TEXT e. Draw a bar graph for the frequency distribution.