In a simple linear regression based on 30 observations it
In a simple linear regression based on 30 observations, it is found that b1 = 7.2 and se(bj) = 1.8. Consider the hypotheses: H0: β1 ≥ 10 and HA: β1 < 10.
a. At the 5% significance level, find the critical value(s).
b. Calculate the value of the test statistic.
c. What is the conclusion to the test?

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