Homework: Section 6.4 Homework core: 0 of 1 pt .4.7 Three randomly selected hous

Question

Homework: Section 6.4 Homework core: 0 of 1 pt .4.7 Three randomly selected households are surveyed. The numbers of people in the households are 2, 4, and 12. Assume that samples of size n 2 are randomly Save 2 of9 (6 complete) HW Score: 55 56%, 5 of 9 pts i Question Help * selected with replacement from the population of 2, 4, and 12. Listed below are the nine different samples Complete parts (a) through (c). 2.2 2.4 2.12 4.2 4.4 4.12 12.2 12.4 12.12 a. Find the variance of each of the nine samples, then summarize the sampling distribution of the variances in the format of a table representing the probability distribution of the distinct variance values Probability Ques (Type an integer or a fraction. Use ascending oder of the sample variances) Enter your answer in the edit fields and then click Check Answer heck Answer Clear All

Explanation / Answer

for given probability distribtuion : as each sample has equal probability of being selected which is equal to 1/9

below is distribution of s2 :

s2 probability 0 1/3 2 2/9 32 2/9 50 2/9

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