Answer with detailed explanation

Four independent random samples of size n = 11 from n (#, ; ) distribution (/ = 1, 2, 3 and 4) yielded the following statistics: Exi =52 Ex; = 48 Exj =57 Ex =54 Exi = 18 Exy =16 Exy = 14 Exi = 12 Test Ho:of = = =0 at the 5% level of significance. Which one of the following statements is incorrect? (1) The value of the test statistic to test the null hypothesis is 1.8145. (2) . = 10 and & = 4 and the upper 5% critical value for this problem is 5.67. 46 STA2601/105/3/2021 max.S (3) Since U = is simply the ratio of two sample variances it follows that U has an F10:10 min S- distribution. (4) If the sample sizes are unequal we could use Bartlett's test for equal variances