Log-in | Contact Jeff | Email Updates

Question 408:

Use Excel, or MINITAB to fit the regression model, including residuals and standardized residuals:

DATA SET E Ages and Weights of 31 Randomly Chosen U.S. Nickels (n = 31 nickels) Nickels
Observation Age (yr) Weight (gm) Observation Age (yr) Weight (gm)
1 2 5.043 17 15 4.956
2 15 4.893 18 5 5.043
3 22 4.883 19 10 5.032
4 27 4.912 20 2 5.036
5 38 4.980 21 14 4.999
6 2 5.003 22 1 5.004
7 0 5.022 23 21 4.948
8 28 4.796 24 12 5.045
9 12 4.967 25 40 4.917
10 17 4.951 26 1 5.014
11 13 4.932 27 9 5.001
12 1 4.970 28 22 4.801
13 1 5.043 29 21 4.927
14 4 5.040 30 1 5.035
15 1 4.998 31 16 4.983
16 9 4.956
________________________________________
Source: Randomly chosen circulated nickels were weighed by statistics student Dorothy Duffy as an independent project. Nickels were weighed on a Mettler PE 360 Delta Range scale, accurate to 0.001 gram. The coin's age is the difference between the current year and the mint year.

Need more than just an answer? Download the EasyStats Excel Calculator Package which gets you the answer with the detailed calculations.

Not what you were looking for or need help?

Ask a new Question

Browse All 872 Questions

Search All Questions: