| Exam Board | CAIE |
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| Module | FP2 (Further Pure Mathematics 2) |
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| Year | 2018 |
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| Session | November |
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| Topic | Hypothesis test of a normal distribution |
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6 The heights, in metres, of a random sample of 8 trees of a particular type are as follows.
8.4
9.2
10.8
11.3
11.5
12.8
12.1
14.2
Assuming that heights of trees of this type are normally distributed, calculate a \(95 \%\) confidence interval for the mean height of trees of this type.