Question

The theory predicts that the proportion of an object available in four groups A, B, C, D should be 9:3:3:1. In an experiment among 1600 items of this object, the numbers in the four groups were 882, 313, 287 and 118. Use ra-test to verify whether the experimental results support the theory. (Table value of x2 for 3 degrees of freedom at 5% level of significance is 7.851).​

Answer 1

Answer:

PLEASE FOLLOW ME PLEASE AND I WILL FOLLOW YOU EVERYONE!!!!