# Question: With reference to Exercise 14 42 test the null hypothesis

With reference to Exercise 14.42, test the null hypothesis β = 1.25 against the alternative hypothesis β > 1.25 at the 0.01 level of significance.

In exercise

Various doses of a poisonous substance were given to groups of 25 mice and the following results were observed:

(a) Find the equation of the least squares line fit to these data.

(b) Estimate the number of deaths in a group of 25 mice that receive a 7-milligram dose of this poison.

In exercise

Various doses of a poisonous substance were given to groups of 25 mice and the following results were observed:

(a) Find the equation of the least squares line fit to these data.

(b) Estimate the number of deaths in a group of 25 mice that receive a 7-milligram dose of this poison.

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