In a study, the protein absorption (Y) for seven concentration levels (X) of that protein were...

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In a study, the protein absorption (Y) for seven concentration levels (X) of that protein were...

In a study, the protein absorption (Y) for seven concentration levels (X) of that protein were measured: Be Specific with answers

Conc. Level (X_i)	4	6	8	10	12	14	16
Absorption (Y_i)	10	15	18	18	24	22	26

a) Find the least squares estimate for the regression line Y_i = b₀ + b₁X_i+ e_i.

b) What would be your estimate of the absorption when the concentration level is 10?

c) Estimate the standard deviation of the error term e_i

d) Compute the correlation coefficient.

e) What proportion of the variability in the absorption can be explained using this model (i.e. what is R²)?

f) Test the null hypothesis that b₁ = 0 (perform a two-sided test), using α = 0.05. Is the model useful?

g) Give the p-value to the test in part f ). Verify that the p-value agrees with your conclusion in part f ).

math Statistics-And-Probability

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8, 12; 241222 6 bn Ху

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In a study, the protein absorption (Y) for seven concentration levels (X) of that protein were...

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