5 ) Hypothesis test ( 2 - sample ) ( 10 marks ) The manager of an health insurance company in Brampton wonders whether the members needed more chiropractic help in 2017 than in 2016 , on average . He found a random sample of those who were treated by chiropractic doctors in both years . Data provided in TERMTESTDATA file . Perform an Hypothesis test to check whether annual expenses increased , on average . For the test use Data Analysis +- Test : Paired Two Sample for Means and 2% significance level