I need help with this question please help me! I have been looking for this since soo long. No one were able to solve this. I hope there is someone who could solve this. I need answers for part b from vi - xi. Thanks.

Exercise 1.1. In a circus there are six animals viz. Antelope, Bull, Cheetah, Deer, Elephant, and Fox. Their scores of performance in a show, where all the animals were allowed to participate, are listed in the following table: Antelope Bull Cheetah Deer Elephant Fox 155 99 102 134 200 176( b ) The owner of the circus wants to play a show in a nearby city, but it is expensive to move all the animals. One truck is available and can carry only four animals. Thus the owner suggests the following sampling scheme: Sample P(Sample) Antelope Bull Cheetah Deer 0.125 Antelope Bull Cheetah Fox 0.125 Bull Cheetah Deer Fox 0.125 Antelope Bull Elephant Fox 0.125 Cheetah Deer Elephant Fox 0.125 Bull Cheetah Elephant Fox 0.125 Antelope Cheetah Deer Fox 0.125 Antelope Cheetah Deer Elephant 0.125 Let y and s, denote the sample mean and sample variance. Find the following:\f