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WorksheetsMean, Median, Mode
Total questions: 20
Worksheet time: 59mins
12,10,10,10,13,12,11,13,10
4,2,7,4,3
2, 57, 38, 42, 6
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
How do we find the
mean of grouped data?
∑fx - ∑f
∑fx / ∑f
∑fx + ∑f
( ∑fx ) ( ∑f )
How do we find ∑f?
Add all the frequency.
Subtract all the frequency.
Multiply all the frequency.
Divide all the frequency.
What does the symbol ∑ mean?
mean
median
mode
summation
Calculate mean for the above given data.
(you need to copy out the table and add additional columns and find Σf and Σfx )
1.6
1.4
1.3
1.8
How do you work out the mean?
214 ÷ 7
26 ÷ 214
214 ÷ 26
214 ÷ 49
Calculate mean from the given frequency table.
7
8
9
10
Find the mean from the following table...
You may need to copy the table out and add columns...
11.24
10.54
11.84
10.56
Find the mean amount of money. You may need to copy out the table with an extra column.
£12
£24
£30
£35
Find the estimated mean from the following table...
You may need to copy the table out and add columns...
28.5
31.5
30.5
29.5
Find the modal group from the following table...
20 < x < 40
0 < x < 20
60 < x < 80
80 < x < 100
