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Data and Sampling
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Averages: Mean, Median and Mode
Spread of Data
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10 problems
Type:
Any
Conceptual
Numerical
1.
The 18 race times of the last problem are drawn as a histogram three times: with 2 bars, with 4…
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Medium
2.
Shop A sold 205 phones in a month, and Shop B sold 200.
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Hard
3.
A line graph shows the visitors to a park in the first six months of a year: January 120, February…
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Easy
4.
A histogram shows the heights of 30 plants: Which group holds the most plants?
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Medium
5.
Eighteen runners finished a race in these times, in seconds: 12.4, 13.1, 14.8, 15.0, 15.6, 16.2…
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Medium
6.
Which graph would you use for each? The number of students in each house: red, blue, green and…
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Medium
7.
Thirty students named their favourite fruit: mango 12, banana 7, apple 6 and grapes 5.
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Easy
8.
A family spends 24,000 rupees in a month: food 9,000, rent 6,000, travel 3,000, savings 4,000 and…
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Medium
9.
Take the 50 museum visitors of the first problem: bus 20, car 15, train 10 and on foot 5.
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Medium
10.
A museum asked 50 visitors how they came: 20 came by bus, 15 by car, 10 by train and 5 on foot.
Middle Stage (6–8), High School (9–10), High School (11–12), Undergraduate, General · Tables and Graphs
StemPy Lab
Easy