Question

n = 250 $\sum x = 9780$ $\sum y = 1415$ $\sum xy = 85670$ and $\sum x^2 = 481140$ (a) Determine the estimated regression line. Round the coefficients to four decimal places. ŷ = i + i (b) Predict the value of y if x is 36. Round the answer to four decimal places. y = i X

Name: n 250 sum x 9780 sum y 1415 sum xy 85670 and sum x2 481140 a determine the estimated regression line round the coefficients to four decimal places y i i b predict the value of y if x is 36 r 05683
Uploaded: 2023-09-15T06:41:24-08:00
Duration: 2 min 15 s
Channel: Adi S
Description: n 250 sum x 9780 sum y 1415 sum xy 85670 and sum x2 481140 a determine the estimated regression line round the coefficients to four decimal places y i i b predict the value of y if x is 36 r 05683

          n = 250 $\sum x = 9780$ $\sum y = 1415$ $\sum xy = 85670$ and $\sum x^2 = 481140$
(a) Determine the estimated regression line.
Round the coefficients to four decimal places.
ŷ =
i
+ i
(b) Predict the value of y if x is 36.
Round the answer to four decimal places.
y = i
X

n 250 sum x 9780 sum y 1415 sum xy 85670 and sum x2 481140 a determine the estimated regression line round the coefficients to four decimal places y i i b predict the value of y if x is 36 r 05683

Added by Cory F.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

09/15/2023

Step 1

$\bar{x} = \frac{\sum x}{n} = \frac{9780}{250} = 39.12$ $\bar{y} = \frac{\sum y}{n} = \frac{1415}{250} = 5.66$ Show more…

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n = 250 $\sum x = 9780$ $\sum y = 1415$ $\sum xy = 85670$ and $\sum x^2 = 481140$ (a) Determine the estimated regression line. Round the coefficients to four decimal places. ŷ = i + i (b) Predict the value of y if x is 36. Round the answer to four decimal places. y = i X