Question

Question 4 17 pts A farmer is trying to determine if a new chicken feed will put weight on his chickens faster than his current brand. He randomly selected 10 chickens and fed them his standard brand. He took a second sample of 15 chickens and fed them the new brand. After a two-week period, he weighed the chickens. The chickens fed his regular brand had an average weight gain of 4.5 pounds with a standard deviation of 0.8 pounds. The chickens fed the new brand had an average weight gain of 5.5 pounds with a standard deviation of 0.9 pounds. Which of the following could be concluded about this situation? -2.9111, fail to reject the null hypothesis and conclude that the new brand does result in a higher weight gain t-1.83,fail to reject the null hypothesis and conclude that the new brand does result in a higher weight gain. ON -2.9111.reject the null hypothesis and conclude that the new brand does not result in a higher weight gain. ot-1.83, reject the null hypothesis and conclude that the new brand does result in a higher weight gain. ot-2.9111.reject the null hypothesis and conclude that the new brand does result in a higher weight gain. Question 5 17 pts MacBook

Answer 1

Selution standeud is Here let sample I > bample 2 nt brand Stordeud brand. Hi- HRU2 Here Ho:,=2 us n2 = 10, Xg = 5.S, bg=0.9 %3D -D7+ (n-) 0- 7073 nitn2-2 d f = ntn2-2=23 %3D Tet taitetec += u.S-S.S =-2-9111 O-7073 = 0-00U, P-value = here P-Value co.oS, Reject Ho hypotreis s conclude mAw brand does reseult in higher weight > +=-2-91ll, scoject the null the gain