Author Question: A realtor collected the following data for a random sample of ten homes that recently sold in her ... (Read 25 times)

sabina · **on:** Feb 14, 2020

Question 1

Consider the following pairs of observations:

x	2	3	5	5	6
y	1.3	1.6	2.1	2.2	2.7

a.	Construct a scattergram for the data. Does the scattergram suggest that y is positively linearly

related to x?

b.	Find the slope of the least squares line for the data and test whether the data provide sufficient

evidence that y is positively linearly related to x. Use α = .05.

Question 2

A realtor collected the following data for a random sample of ten homes that recently sold in her area.

House	Asking Price	Days on Market
A	$114,500	29
B	$149,900	16
C	$154,700	59
D	$159,900	42
E	$160,000	72
F	$165,900	45
G	$169,700	12
H	$171,900	39
I	$175,000	81
J	$289,900	121

a.	Construct a scattergram for the data.

b.	Find the least squares line for the data and plot the line on your scattergram.

c. Test whether the number of days on the market, y, is positively linearly related to the asking price, x. Use

coreycathey · **Reply #1 on:** Feb 14, 2020

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