Regarding the test statistic in the Analysis of Variance (Select the correct choice) O It can take negative values If the null hypothesis is true, the betwen the F statistic will be small O Is the diference of two sources of variation It has a normal distribution Question 11 4 pts It is difficult to obtain a significant result when the hypothesis is conducted at two-tails rather than when it is conducted at the single tail. Because in the two-tail test the p- value is twice the p-value for a single-tail test. (Select true of false) A team of researchers wants to know if the mean temperature of a lake will change after a year. They choose fifty points at random in the lake and measure their temperature. One year later, they return and select the same set of fifty points and measure their temperature. What test should the team use to address their question? O Two Sample T-Test O Paired Test One sample T-Test One sample Z-Test 253763/quizzes/286093/take Question 23 5 pts The table below shows the gender and selected drink of 100 persons randomly sampled to choose between two coffee drinks, A and B. The researcher wants to test: HO: Gender and drink choice are independent HA: Gender and drink choice are not independent Drink Drink A B Men 25 20 Women 30 25 The observed chi square test statistic is: (Fill in the numerical value. Report the value with 2 decimal places.)