A sample is selected from a normal population with 4 -54 and a 8. Which of the following samples would be considered extreme and rare for this population? Select one: O a. M-52 and 81 O b. None of the answers are correct c. M- 53 and - 36 d. My 52 and n - 36 e e M-53 and 81 For an independent-samples t-test, one sample has a sample size of n=8 and s=4.898979. A second sample has a sample size of n-6 an $ - 5.019960. What is the pooled variance for these two samples? Select one: O a.s - 24,50 Ob. 3 = 17.36 O c. 3, -21.00 Od 3, - 18.38