Statistics
School Lunch Survey
The Question:
What do children eat for lunch at our school?
The sample:
10 classmates
Recording:
Tally Chart
Main Lunch Food
| |||||||||
Sandwiches
|
Roll
|
Pie
|
Fruit
|
Yoghurt
|
Bars
|
Biscuits
|
Chips
| ||
Tally
|
1111111
|
11
|
111
|
1111111111
|
11
|
1111
|
111
|
1111
| |
Total
| |||||||||
Total chart
Lunch Food
|
Totals
|
Sandwiches
|
7
|
Rolls
|
2
|
Pies
|
3
|
Fruit
|
10
|
Yoghurt
|
2
|
Bars
|
4
|
Biscuits
|
3
|
Chips
|
4
|
10
| ||||||||
9
| ||||||||
8
| ||||||||
7
| ||||||||
6
| ||||||||
5
| ||||||||
4
| ||||||||
3
| ||||||||
2
| ||||||||
1
| ||||||||
0
|
San
|
Roll
|
Pie
|
Fruit
|
Yog
|
Bar
|
Bisc
|
Chips
|
Boy’s lunches
Interpretation:
Median:
1,2,2,3,3,3,4,7,10
Mode:
The mode is 3
Spread:
The spread is 9 (from 1 to 9)
Range:
The range is 9.
Mean/ Average:
The mean is 4 1/4
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