MAT 1100 Quantitative Reasoning Module 4 Lesson 3 Assignment 1

MAT 1100 Quantitative Reasoning Module 4 Lesson 3 Assignment 1
Student Name:
1) On a math test, the scores of 24 students were
a) Construct a frequency
b) Construct the relative frequency distribution.
Use 4 classes beginning with a lower class limit of 60.
Solution a: Frequency table
Test score Number of students
60 - 70 3
71 - 80 12
81 - 90 7
91 - 100 2
Solution b: Relative frequency distribution
Test score Number of students Relative frequency
distribution
60 - 70 3 3/24 = 0.125
71 - 80 12 12/24 = 0.5
81 - 90 7 7/24 = 0.291
91 - 100 2 2/24 = 0.0833

MAT 1100 Quantitative Reasoning Module 4 Lesson 3 Assignment 1
Construct the specified histogram.
2) The ages of the voters at a poll during a 20-minute period are listed below. Use five classes with a uniform
width of 10 years, where the lower limit of the first class is 20 years.
35 29 48 63 64 38 21 23 41 68
61 42 43 47 33 37 46 27 23 30
A) B)
C) D)

MAT 1100 Quantitative Reasoning Module 4 Lesson 3 Assignment 1
Solution: The histogram table is
Hence, answer option (D) is correct.
Use this graph to answer the question.
Big "D" Sales for 2009, 2010
Month
3) Which month in 2010 had the lowest sales?
Solution: From the above table 2nd months in 2010 had the lowest sales (56).