An Experiment Was Performed on a Certain Metal to Determine

question 82

Short Answer

An experiment was performed on a certain metal to determine if the strength is a function of heating time. Results based on 10 metal sheets are given below.
∑X = 30
∑X² = 104
∑Y = 40
∑Y² = 178
∑XY = 134
Using the simple linear regression model, find the estimated y-intercept.

Understand the concept and calculation of the marginal propensity to save (MPS) and its economic implications.

Grasp the effects of changes in autonomous investment on the economy's equilibrium and the concept of the spending multiplier.

Comprehend how current production levels relative to planned expenditure affect inventories and production decisions.

Understand how autonomous investments affect aggregate expenditure and its impact on the economy.

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