The following table shows the number of wins eight teams had during a football season. Also...

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The following table shows the number of wins eight teams had during a football season. Also shown are the average points each

14 8 4 10 3 6 13 7 Wins Points per Game 25.4 18.5 20.1 24.5 12.3 22.8 22.6 23.2

math Statistics-And-Probability

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Answer 1

Answer #1

Applying regression from megastat : with predictor value of x=22:

Regression output					confidence interval
variables	coefficients	std. error	t (df=6)	p-value	90% lower	90% upper
Intercept	15.1275	2.7575	5.486	.0015	9.7691	20.4859
x	0.7443	0.3085	2.412	.0524	0.1448	1.3439

Predicted values for: y
		90% Confidence Interval		90% Prediction Interval
x	Predicted	lower	upper	lower	upper	Leverage
22	31.5023	22.8892	40.1153	20.8233	42.1812	1.861

UCL = 22.889

LCL =40.115

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Answer 2

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