Descriptive Statistics help with the explanation

ill (9 points} Hall and Fit 'Suhslbescatterplot below shows calories and fat for eight 6" Subway Fresh and Fit0 Subs. (Source: Subway napkin, February 2014) 6" Subway Fresh Fit Subs a} Briey describe the association {if any} between Fats and Calories. 40 300 Calories 250 b} Give a number that could not possibly be the correlation for these data. Fat (grants) c} Give a number that could reasonably be the correlation for these data. d} The Sweet Onion Chicken Teriyaki sub is the one with 380 calories. If it were removed from the data set would the correlation increase, decrease or be essentially unchanged? Explain your answer briey. 11) (13 points) Heating Costs Some households struggle with the cost of heating. The contingency table shows data from 500 households. The variables recorded were the Type of heating fuel used, and if they were Delinquent in paying their utility bill. (A customer is delinquent if they don't pay their bill by the due date.) Delinquent on Type of Heating payment? Natural Gas Electricity Heating Oil Propane Total Yes 50 20 10 95 No 240 20 15 405 Total 290 25 500 a) Complete the contingency table by filling in the missing numbers in the four outlined boxes. b) Complete the statements: i) More than half the delinquent accounts are for customers who use ii) The smallest number of delinquent accounts is from customers who use c) {) What fraction of Natural Gas customers have delinquent accounts? ii) What fraction of Propane customers have delinquent accounts? d) Which type of customer is most at risk of being delinquent? Natural gas or Propane? Explain using your answers to b) or c)