Question

STAT 331/BIOL 331-Statistical Methods Assignment 1 1. The following data (adapted from Q10.1 of Zar, 5th Edition) are weights of food (in kilograms) consumed per day by adult deer collected at different times of the year. Feb 4.7 4.9 5.0 4.8 4.7 May Aug Nov 4.8 4.7 4.6 4.4 4.7 4.8 4.6 4.9 5.2 5.4 5.1 5.6 4.3 4.2 a) Test the null hypothesis that food consumption is the same for all the months tested Your answer must include summary ANOVA table, null and alternative hypotheses in symbolic form, and interpretation. b) Using the Kruskal-Wallis test, test nonparametrically the appropriate hypothesis for the c) Test the null hypothesis that the four months yield equally variable results ( d) An experiment is to have its results examined by analysis of variance. The variable is data above. σ12 σ22-σ-04) by the Bartlett's Test. temperature (in degree Celsius), with 12 measurements to be taken in each of five experimental groups. From previous experiments, we estimate the within-groups variability, o", to be 1.2 ("Q2" If 5% level of significance is employed, what is the probability of the ANOVA detecting a difference as small as 2.0 °C between population means?

Answer 1