The following are the data on consumption of coffee along with the corresponding weather conditions in 2022: \table[[Temperature
x
,12,21,14,17,12,13,15],[Coffee Consumption
y
,8,15,11,8,7,5,9]] (i) Based on the above data, does temperature have any effect on the number of coffee consumption? (ii) If they are related, comment on the significance of the relationship. (iii) Find the regression line of
y
on
x
. (iv) Estimate or predict the volume of coffee consumption if the temperature is 8.