Answer to Question #289568 in Other for Akiii

Question

TOPIC : REGRESSION

1. A line has equation 𝑦 = 0.5𝑥 + 2.

a. Pick five distinct x-values, use the equation to compute the corresponding yvalues, and plot the five points obtained.

b. Give the value of the slope of the line; give the value of the y-intercept.

2. The age x in months and vocabulary y were measured for six children, with the results 

shown in the table.

x | 13 | 14 | 15 | 16 | 16 | 18

y | 8 | 10 | 15 | 20 | 27 | 30

Compute the linear correlation coefficient for these sample data and interpret its 

meaning in the context of the problem.

Answer 1

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