Ali’s class sits a Geography test and the results are recorded below.
\(58,\ \ 74,\ \ 65,\ \ 66,\ \ 73,\ \ 71,\ \ 72,\ \ 74,\ \ 62,\ \ 70\)
The mean for the test was 68.5.
- Calculate the standard deviation for the test. Give your answer correct to one decimal place. (2 marks)
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- Explain whether the mean of the test is greater than or less than the median of the test. (1 mark)
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