Question

x 0.05 0.10 0.11 0.12 0.31 0.37 0.42 0.58 0.68 0.68 0.73 0.85 0.92
y 0.53 0.54 0.52 0.49 0.55 0.55 1.00 0.81 0.91 0.99 0.86 1.01 1.75
The regression equation is
lichen N = 0.375 + 0.952 no3 depo
Predictor Coef Stdev t-ratio p
Constant 0.37472 0.10547 3.55 0.005
no3 depo 0.9525 0.1948 4.89 0.000

s = 0.2057 R-sq = 68.5% R-sq(adj) = 65.6%
Analysis of Variance
SOURCE DF SS MS F P
Regression 1 1.0120 1.0120 23.91 0.000
Error

Answer 1

(a) What are the least square estimates of β0 and β1? (Round your answers to three decimal places.)

(b) Predict lichen N for an NO3− deposition value of 0.9. (Round your answer to three decimal places.)

(c) What is the estimate of σ? (Round your answer to four decimal places.)

Answer 2

@mathmale

Answer 3

I found part (a) I need help with b and c

Answer 4

@whpalmer4

Answer 5

Never mind about part a. I got it wrong.

Answer 6

@inkyvoyd