Please show me how you get the numbers for the slope and intercept and the rest
ID: 404037 • Letter: P
Question
Please show me how you get the numbers for the slope and intercept and the rest of the figures I canot get what you all d o so please showw me
on the price being charged. Based on historical observations joe has gathered the following data which shows the numbers of the coffees sold over 6 diffeerent price values Price Number sold $2.70 760 $3.50 510 $2.00 980 $4.20 250 $3.10 320 $4.05 480 using this data how many mocha latte coffees would be forcecast to be sold according ti sumple linear regression if the pric per cup was $2.80?Please show me how you get the numbers for the slope and intercept and the rest of the figures I canot get what you all d o so please showw me
Explanation / Answer
b1={n*Sum[xy] - Sum[x]Sum[y]}/{n*Sum[x^2]
Price(x) Number Sold (y) x^2 y^2 xy
2.70 760 7.2900 577600 2,052
3.50 510 12.2500 260100 1,785
2.00 980 4.0000 960400 1,960
4.20 250 17.6400 62500 1,050
3.10 320 9.6100 102400 992
4.05 480 16.4025 230400 1,944 Sum 19.55 3,300 67.1925 2,193,400 9,783