the city of Toronto wants to study the relationship between the size of an apartment and its monthly rent . Listed below is a random samples of 10 apartments indicating their size and monthly rent at the end of of last year

Question 03: The City of Toronto wants to study the relationship between the size of an apartment and its monthly rent. Listed below is a random sample of 10 apartments indicating their size and monthly rent at the end of last year. Apartment 1 2 3 Size (Sq. feet) 900 1,700 1,100 1,200 800 Rent/month ($) $1,215 $2,050 $1,080 $1,200 $1,000 Apartment 6 7 8 9 10 Size (Sq. feet) 700 800 1,100 1,000 1,200 Rent/month ($) $1,300 $1,140 $1,600 $1,200 $1,800 4 5 a. Draw a scatter diagram. [2 marks] b. Determine the correlation coefficient. [4 Marks] Question 4: Kaizen Inc. operates customer care centers on behalf of a number of companies. The new CEO wants to ensure that the mean waiting time before a customer's call is answered is less than 10 minutes. A sample of 10 recent calls showed the following waiting times in minutes 13 15 5 9 11 8 12 6 11 9 At the 0.05 significant level, is it reasonable to conclude that the mean waiting time is less than 10 minutes? (5 Marks]