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An accountant wishes to predict direct labor cost() on the basis of the batch size (x) of a product produced in a job shop. D
Labour cost 20 80 100 40 60 Batch Size (a) Find by and bo. (Round your intermediate value and final answers to 4 decimal plac


Direct Labor Cost Data Direct Labor Batch Cost, y ($100s) Size, x 619 72 894 95 626 751 948 979 262 423 198 697 658 122 Batch
0 0
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Answer #1

(% 619 ) (1) July 72 22 751 916 979 262 423 198 69+ 658 15 52 81 58 122 Tax 1177 Exi. 638 / 31 = nbigsols teulat | 2 61616.

b) b1 is the estimated increase in Direct Labor Cost for every 1 unit increase in batch size.

    b0 is the estimated Direct Labor Cost when batch size = 0

c) yhat = 250.6179 + 6.534x

d) yhat(60) = 250.6179 + 6.534(60) = 642.658

NOTE:

1) Ybar = 593.9167, Xbar = 53.1667, Σ(Xi - Xbar)2 = 8681.677, Σ(Yi - Ybar)2 = 896108.9167, Σ(XiYi - Xbar Ybar)= 54646.1667

2) I have left empty cells as they can be calculated easily.

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