Question: Three groups of six guinea pigs each were injected respectively
Three groups of six guinea pigs each were injected, respectively, with 0.5 milligram, 1.0 milligram, and 1.5 milligrams of a new tranquilizer, and the following are the numbers of minutes it took them to fall asleep:
Test at the 0.05 level of significance whether the null hypothesis that differences in dosage have no effect can be rejected. Also, estimate the parameters µ, α1, α2, and α3 of the model used in the analysis.
Answer to relevant QuestionsThe following are the numbers of words per minute that a secretary typed on several occasions on four different typewriters: Use the computing formulas of Exercise 15.4 to calculate the sums of squares required to test at ...An experiment was performed to judge the effect of four different fuels and three different types of launchers on the range of a certain rocket. Test, on the basis of the following ranges in miles, whether there is a ...If, in a one-way analysis of variance, the sample sizes are unequal and there are ni observations for the ith treatment, show that Is analogous to the identity of Theorem 15.1. Also show that the degrees of freedom for SST, ...Perform appropriate multiple- range tests, using the 0.05 level of significance, to characterize the differences among the bonder means and the operator means found in Exercise 15.29. Show that for a = 2 the F test of a one- way analysis of variance is equivalent to the t test of Section 13.3 with d = 0 and the alternative hypothesis µ1 – µ2 ≠ 0.
Post your question