As water temperature increases, sodium nitrate (NaNO 3 ) becomes more soluble. The following table (103) gives
Question:
As water temperature increases, sodium nitrate (NaNO3) becomes more soluble. The following table (103) gives the number of parts of sodium nitrate that dissolve in one hundred parts of water.
Temperature
(degrees Celsius), x Parts Dissolved, y
0……………………………………… 66.7
4……………………………………… 71.0
10…………………………………….. 76.3
15…………………………………….. 80.6
21…………………………………….. 85.7
29…………………………………….. 92.9
36…………………………………….. 99.4
51…………………………………….. 113.6
68…………………………………….. 125.1
Calculate the residuals, y1 – ŷ 1, . . . , y9 – ŷ9, and draw the residual plot. Does it suggest that fitting a straight line through these data would be appropriate? Use the following sums:
Step by Step Answer:
Introduction To Mathematical Statistics And Its Applications
ISBN: 9780321693945
5th Edition
Authors: Richard J. Larsen, Morris L. Marx