Question

The following table shows the number of wins eight teams had during a football season. Also shown are the average points each team scored per game during the season. Construct a​ 90% prediction interval to estimate the number of wins for teams that scored an average of 25 points a game.

Determine the upper and lower limits of the prediction interval.

UPL = ?

LPL = ?

Data:

Points_per_Game	Wins
26.3	11
20.2	9
24.3	6
28.2	12
13.7	5
23.9	9
22.1	14
24.5	11

Answer 1

The statistical software output for this problem is:

Hence,

90% PI will be:

UPL = 16.0064

LPL = 4.9054