COURSE: FOUNDATION MATHEMATICS
WORKSHEET# 4
Q1-The amount of time (minutes) it takes a group of students to travel to college on a
Particular day is recorded in the table below:
Time
(minutes)
Frequency
0 < 20
20 < 40
40 < 60
60 < 80
80 < 100
19
28
33
24
16
Calculate the mean, median and mode of the data.
Q2-The following data set is recorded:
43 38 23 28 29 37 23 38 42 52 29
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Calculate the range of the data.
Find the median value.
Find the lower quartile and the upper quartile.
Calculate the interquartile range.
Find the mean value.
Find the mode value.
Q3- The number of goals scored by a hockey team in their last 19 matches is recorded as follows:
0 4 1 1 2 10 0 2 3 0 4 5 7 5 2 7 5 2 6
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Is this data quantitative or qualitative? Briefly explain your answer.
Calculate the range of the data.
Find the median value.
Find the mean value.
Find the lower quartile and the upper quartile of the data. Then calculate the
Interquartile range.
Q4-A researcher records the number of hours a group of people spent viewing television during one
week. The results are shown in the table below:
Viewing time (h)
0≤x<8
8 ≤ x < 16
16 ≤ x < 24
24 ≤ x < 32
32 ≤ x < 40
40 ≤ x < 48
Is the data collected continuous or discrete? Briefly explain your answer
How many people were in the group?
Construct a histogram to illustrate this data.
What is the modal class of the data?
Frequency
18
21
36
41
32
17