Question

Suppose Derrick is an insect enthusiast who measured the body length and weight of three insects in his backyard. His data are shown in the table. Length (mm)Weight (mg) Variable Insect l Insect 2 Insect 3 yi 20 30 50 15 25 Derrick used the data to compute the least squares regression line У 1.5x + 10.833 Calculate the residual value for each of Derricks data points and the sum of the residual values. Report your answers precise to three decimal places Residual 1 Residual 2: Residual 3: Sum of the residuals:

0 0
Add a comment Improve this question Transcribed image text
✔ Recommended Answer
Answer #1

Please don't hesitate to give a "thumbs up " for the answer, in case you're satisfied with it.

Below table has all calculations and the answer.

Length Weigth Predicted Weight (yA) Residual Variable Insect 1 Insect 2 Insect 3 Sum of Residuals y-y 20 30 50 18.333 1.667 33.333 -3.333 48.333 1.667 15 25 1.667 Residual 2 3.333 1.667 Sum of residuals 0.001 Residual 1 Residual 3

Add a comment
Know the answer?
Add Answer to:
Suppose Derrick is an insect enthusiast who measured the body length and weight of three insects...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT