A biologist uses the chisquare test to determine whether the observed distribution of 5 species matches an expected theoretical distribution. The chisquare test yields a x2 test statistic of 9.488. What is the null hypothesis? Select v What is the alternative hypothesis? Select v What is the number of degrees of freedom? EC 5 What is the pvalue? 5X1 1231 Does the data differ from expected distribution at the or = 0.01 significance level? Select v