Question 1 Solution
Use your calculator to work out the population (not sample)standard deviation.
The following sequence is for the casio fx-82AU calculator. Make sure you can use YOUR calculator.
mode 2 1
28 = 32 = 27 = 40 = 33 = 26 =
AC shift 1 5
3 = Answer = 4.76(2dp)
D
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