Testing the mean
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Example of testing the mean of a sample drawn from a normal distribution using a t&-test and
Equations are omitted for technical reasons - download the original pdf
A certain variety of bean plant is said to yield beans of average length 10.30cm. A random sample of eight beans was taken and their lengths recorded as follows 9.85 10.20 10.25 9.90 10.35 10.15 10.20 10.05. Calculate the sample mean and unbiased population variance. Use a t&-test, with significance level 1% to test the claim that the population mean is 10.30cm. State any assumptions. [Equation goes here &- download the original to see it.] [Equation goes here &- download the original to see it.] [Equation goes here &- download the original to see it.] [Equations go here &- download the original to see it.]
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Contents of
Testing the mean
1 Testing the mean of a sample drawn from a normal distribution using a t&-test and using a no
2 Summary of testing the mean of a sample drawn from a normal distribution using a t&-test and
3 Example of testing the mean of a sample drawn from a normal distribution using a t&-test and
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