Question

A random sample of 11 technicians produced the following data, where x is the number of tasks assigned, and y is the number incomplete tasks at the end of the first shift. The data are presented below in the table of values.

x	y
12	2
14	4
15	5
16	5
19	9
22	8
25	11
27	16
29	14
32	14
35	18

What is the value of the slope of the regression line, m, rounded to three decimal places?

Provide your answer below:

Answer 1

Y = mx+b is the regression equation and m is the slope and b is the intercept

Bring X and Y data in to excel sheet. Select both XY data and go to insert tab. Choose scatter plot diagram and populate the chart on the excel sheet. select any data point with in the chart and right click and add trendline. In the format trendline option choose linear and select display an equation on chart option

m = 0.661x

Regression equation is y = 0.661x - 5.154