Ice Cream Sales Narrative
The manager of an ice cream store is interested in examining the relationship between sales of ice cream (in litres per day) and maximum temperature of the day. The vendor records the following data for a random sample of five days in the summer, where y is number of litres of ice cream sold per day and x is maximum temperature, in degrees Celsius, recorded for the day: The following summary information was computed:
-Refer to Ice Cream Sales Narrative. Find the least-squares prediction line.

Question

Ice Cream Sales Narrative
The manager of an ice cream store is interested in examining the relationship between sales of ice cream (in litres per day) and maximum temperature of the day. The vendor records the following data for a random sample of five days in the summer, where y is number of litres of ice cream sold per day and x is maximum temperature, in degrees Celsius, recorded for the day:  The following summary information was computed:  
-Refer to Ice Cream Sales Narrative. Find the least-squares prediction line.

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The Answer of Ice Cream Sales Narrative
The manager of an ice cream store is interested in examining the relationship between sales of ice cream (in litres per day) and maximum temperature of the day. The vendor records the following data for a random sample of five days in the summer, where y is number of litres of ice cream sold per day and x is maximum temperature, in degrees Celsius, recorded for the day:  The following summary information was computed:  
-Refer to Ice Cream Sales Narrative. Find the least-squares prediction line.