1.Use the graph of the best fit line on the scatter plot to make the prediction. If...
Question:
1.Use the graph of the best fit line on the scatter plot to make the prediction.
If another child in this class has an IQ score of 150, predict the child's reading score. Your answer can be within ±5±5 points.
2. A linear regression was run to determine a function where the number of sit-ups a person can do depends on the hours of TV watched per day. The results of the regression are given below the table of data. Use the model to predict the number of sit-ups a person who watches 1414 hours of TV can do.
Round answer to the nearest whole number.
Hours of TV Watched | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
---|---|---|---|---|---|---|---|---|
Sit-ups | 30 | 29 | 28 | 26 | 25 | 24 | 23 | 21 |
y=ax+by=ax+b
a=−1.265a=-1.265
b=32.78b=32.78
r=−0.909r=-0.909
A person who watches 1414 hours of TV can do Select an answer Sit-Ups Watch Television Exercise Hours Time .
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich