Cumulative Frequency Worksheet
Grade 11 Math worksheet focusing on understanding and constructing cumulative frequency tables and graphs.
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Cumulative Frequency Worksheet
Name:
Date:
Score:
Read each question carefully and provide your answers in the spaces provided. Show all your working.
The table below shows the marks obtained by a group of students in a Mathematics test.
Marks | Frequency
0-10 | 5
10-20 | 8
20-30 | 12
30-40 | 15
40-50 | 10
50-60 | 7
60-70 | 3
1. Construct a cumulative frequency table for the given data.
2. Using the cumulative frequency table from Question 1, plot a cumulative frequency curve (ogive) on the graph paper below.
3. From your cumulative frequency curve, estimate:
a) The median mark.
b) The interquartile range.
c) The number of students who scored more than 45 marks.
4. True or False: A cumulative frequency graph is always increasing.
True
False
5. The is the point on the cumulative frequency curve that corresponds to 50% of the total frequency.
Match each term with its definition.
1. Cumulative Frequency
a. The upper boundary of a class interval.
2. Ogive
b. A graph of cumulative frequency.
3. Upper Class Boundary
c. The running total of frequencies.
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