Sixteen students were selected at random there rates of heart beat were taken while taking a final examination and while they were in a relaxing situation. The results are noted and given in table 4.8. Test at 5% level of significance, whether examination has an effect on heart beat

Defidently don't start answering as quick as possible some teachers do say to read the hardest first but i would think the most logical answer is c carefully read the passages and i structions

The correct answer is b, social stratification is needed for a society to exist. marxist theory regarding social stratification is that due to the differing economic capacities among people in society, a natural separation occurs between those that own the means of production and those that sell their labour in the production chain. 

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is this a serious question? let me know!

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