- #1
tzx9633
Homework Statement
In the photo above ,
H0 = the position of the plant doesn't affect the number of seeds in the pods .
H1 = position of the plant affect the number of seeds in the pods
The Attempt at a Solution
This is a two -tailed test , am i right ? Referring to the normal distribution table , z α=0.05 = 1.645 , z α/2=0.025 = 1.960 ... In the example , it's clear that the author use one -tailed test . I think it's wrong . He should use z α/2=0.025 = 1.960 , Am i right ? Correct me if i am wrong .