The director of a shipping company believes that there is a relationship between the cost of a customer’s shipment (£) and the weight (lb) of the package being shipped. For investigating this possible...

The director of a shipping company believes that there is a relationship between the cost of a customer’s shipment (£) and the weight (lb) of the package being shipped. For investigating this possible relationship, a random sample of nine customer shipments was selected and the weight (in lb) and the cost (rounded to the nearest £) for each shipment were recorded. The results obtained are shown in the table below (on the picture).

required:

a) ) The scatter diagram showing the relationship between the cost of a
customer’s shipment (£) and the weight (lb) of the package being shipped, is given below. Comment fully and clearly on this diagram.

i)

ii)

Extracted text: 9 / 22 109% + 田の - Scatter Diagram 60 50 40 30 5:20 10 4 10 12 14 16 18 Weight of a package (Ib) (b) i. Show clearly the first two calculations that led to >x² =1,592 and ΣΥ13,165. Show that x? #(Ex)*. ii. Cost of shipment (£)


Extracted text: Weight of package (Ib) Cost of shipment (£) Shipment (X) (Y) 1 7 22 12 35 10 26 4 16 45 5 17 51 6 10 7 17 43 8 13 40 9 14 41 The scatter diagram showina the relationshin behaeen the cost of a 32 2.