Question
The grounds keeper at the Sunview golf course wants to know if there is a positive linear relationship between the density of seed spread on
The grounds keeper at the Sunview golf course wants to know if there is a positive linear relationship between the density of seed spread on a newly landscaped fairway and the density of new grass 6 months later. The following data pairs represent some sample plantings made by the grounds keeper.
Seed Density lbs/400ft2 (X) Grass density (seedlings/ft2 (Y)
1.0 170
2.0 200
3.0 240
4.0 300
5.0 310
6.0 290
7.0 290
A) Construct a scatter diagram
B) Determine if r is significant at a signifance level of 5%. If r is significant at significance level of 5% then do questions C, D, and E.
C)Find R2 and interpret its meaning.
D) Determine the regression equation Y2
E) Using the regression equation, predict the grass density given that grass seed, was applied at a rate of 3.5(lbs/400ft2)
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started