Question

$70,000.00 $60,000.00 $50,000.00 $40,000.00 $30,000.00 $20,000.00 $10,000.00 $0.00 0 50 100 150 200 250 300 350 400 Attendance Wedding cost

Parameter Estimates
Term	Estimates	Std. Error	t ratio	Prob>t	Lower 95%	Upper 95%
Intercept	1905.6886	4980.846	0.38	0.7055	-8397.977	12209.354
Attendance	130.12126	25.15707	5.17	<0.0001	78.079888	182.16263
Wedding Cost	Attendance	Predicted Cost	Lower 95% Mean	Upper 95% Mean	Lower 95% Indiv.	Upper 95% Indiv.
	175	24676.90868	20843.82246	28509.994905	5272.7342924	44081.083073

We have created a regression model to predict wedding cost based on attendance.

a. Use the model to make an interval estimate the average cost of a wedding with 175 guests in attendance.

b. Use the model to find a point estimate for the cost of a wedding with 300 guests?

Answer 1

Ans model Regression 1g05. 6886 + 130. 12/2 Hteudaue. (x) wedding (ast C ing a) ntemal af the avea9e cort of we ddr with 175 quests in att endauie C. 20843. 822 46 285og. 994905 wedding b foint estn ate with 300 quests for Hhe cost of y1905 6886 +130.12126 300 40942.0666 Point estirmate for the cast ofa weddg with 300 quests 40942 06 66