Mathematics (AS & A Level) · Feb / March 2024 · Paper 62 · Question 7
9709
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The heights, in centimetres, of adult females in Litania have mean n and standard deviation v. It is known that in 2004 the values of n and v were 163.21 and 6.95 respectively. The government claims that the value of n this year is greater than it was in 2004. In order to test this claim a researcher plans to carry out a hypothesis test at the 1% significance level. He records the heights of a random sample of 300 adult females in Litania this year and finds the value of the sample mean.
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7(a)[1]
7(b)[5]
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