Question

In this question, αα stands for ‘equal to’ ‘ββ for ‘greater than’; γγ  for ‘less than’ and δδ  for ‘not equal to’.

If 6x α 5y6x α 5y  and 2y β 3z,2y β 3z,  then​

Answer 1

Answer:

Employment 11 14 17 Total 1 18 56 89 163 0 13 16 8 37 Total 31 72 97 200 What is the variance of employment? Give your answer to two decimal places.

Answer 2

Answer:

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