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A Level Statistics
Hypothesis Testing
Learn hypothesis testing as part of work with data, probability models, distributions, hypothesis testing and large data set contexts.
Key idea
Look at the data type, choose an appropriate summary or diagram, then interpret the result in context.
What you will learn
Use hypothesis testing meaning confidently.
Use hypothesis testing representations confidently.
Use hypothesis testing methods confidently.
Use hypothesis testing applications confidently.
Success checklist
✓I can explain what hypothesis testing means.
✓I can choose a suitable method without being told.
✓I can show clear working and check my answer.
Worked example
Find the mean of 4, 7, 9 and 10.
Step 1
Add the values: 4 + 7 + 9 + 10 = 30.
Step 2
There are 4 values.
Step 3
30 ÷ 4 = 7.5.
Answer
7.5
Quick practice
Question 1
Find the median of 3, 8, 4, 10, 5.
Question 2
Find the range of 11, 18, 23, 24.
Question 3
Describe positive correlation in a scatter graph.
Related resources
These are linked to the wider Statistics topic for now.