Researchers were interested in whether there was a linear relationship between a person's armspan (x) and...

Researchers were interested in whether there was a linear relationship between a person's armspan (x) and a person's height (y). The data is shown below.

	Armspan	_Height_
	66	70
	61.75	60
	66	66
	70	70
	66	67
	69	67
	62	64
	61	60
Sums:	521.75	524

a) Find the least squares line between armspan (x) and height (y) based on the data.

??? =
??? =
b =
a =

?̂ = ___ + ___ x

b) Interpret the meaning of the estimate of the slope ?.

Armspan/height increases/decreases by ______ for every unit increase in armspan/height

Solutions

Expert Solution

Solution : Here concept of simple linear regression is used.

orchestra answered 1 year ago

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