Question

A random sample of 9 statistics students produced the following data, Mid-term Score, x Final Score, y 72 26 91 27 56 46 64 98 65 36 98 60 59 84 14 66 85 43 where x measures the mid-term score and y measures the final score. What is the estimate of the y = a x + b regression intercept coefficient?

Name: a random sample of 9 statistics students produced the following data mid term score x final score y 72 26 91 27 56 46 64 98 65 36 98 60 59 84 14 66 85 43 where x measures the mid term score 25237
Uploaded: 2023-09-12T20:51:14-08:00
Duration: 2 min 26 s
Channel: Adi S
Description: a random sample of 9 statistics students produced the following data mid term score x final score y 72 26 91 27 56 46 64 98 65 36 98 60 59 84 14 66 85 43 where x measures the mid term score 25237

          A random sample of 9 statistics students produced the following
data,
Mid-term Score, x
Final Score, y
72
26
91
27
56
46
64
98
65
36
98
60
59
84
14
66
85
43
where x measures the mid-term score and y measures the final
score. What is the estimate of the y = a x + b regression intercept
coefficient?

Added by Michael F.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

09/12/2023

Step 1

Calculate the mean of x and y: mean(x) = (72+91+56+64+98+65+98+60+59)/9 = 73.22 mean(y) = (26+27+46+36+85+43+84+14+66)/9 = 47.22 Show more…

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A random sample of 9 statistics students produced the following data, Mid-term Score, x Final Score, y 72 26 91 27 56 46 64 98 65 36 98 60 59 84 14 66 85 43 where x measures the mid-term score and y measures the final score. What is the estimate of the y = a x + b regression intercept coefficient?