Question

We have been given the labor hour history below. You have been asked to calculate a...

We have been given the labor hour history below. You have been asked to calculate a linear trend line for this data. What is the intermediate solution for the value of ∑(ty)?

Week Hours

1 4558

2 4590

3 4513

4 4407

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Homework Answers

Answer #1

We place values of Week as “t” in one column in excel

We also place values of Hours as “Y” in adjacent columns in excel

Value of t” gets multiplied by corresponding “y” and feature as “t.y” in column adjacent to “y”

All the values of “ty” get added up to a figure of 45435

Therefore . intermediate solution for the value of Sum ( ty) = 45435

Refer below table for ready reference:

Week ( t)

Hours ( Y)

t.Y

1

4558

4558

2

4590

9148

3

4513

13661

4

4407

18068

SUM =

45435
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