A few days ago
Anonymous

PLEASE HELP !! Are there any genius statisticians out there???

if a two-sided null hypothesis is rejected for a single mean at a given significance level, the corresponding one- sided null hypothesis (i.e., the same sample size, the same standard deviation, and the same mean) will_________ be rejected at the same significance level.

a. Always b. Sometimes c. Never

Top 1 Answers
A few days ago
JAK

Favorite Answer

b. Sometimes

Say you’re looking for 95% confidence. Your threshold for rejecting the null on each side of the curve for the z value will be at +/- 1.96. For a one-sided test the threshold will be either +1.65 or -1.65. If you have a calculated z value of -2.0 the null will definitely be rejected for 2-sided, but either accepted or rejected for one-sided depending on whether your threshold is +1.65 or -1.65. That depends on whether you are looking for your mean to be greater or less than your null.

0

Related Posts

what are oppurtunities for indians want to study in USA and canada?
Read more
I am looking for this?
Read more
do i have Chance to success in usa?
Read more
Can someone please compare a master’s in psychology or a master’s in speech therapy?
Read more
I need something to do?
Read more
Anyone know where i can find short articles on iraq?
Read more
oxford university?????expense??????
Read more
Scholarships in germay?
Read more