The 365 Data Science team is proud to invite you to our own community forum. A very well built system to support your queries, questions and give the chance to show your knowledge and help others in their path of becoming Data Science specialists.
Ask
Anybody can ask a question
Answer
Anybody can answer
Vote
The best answers are voted up and moderated by our team

Usage of different tests!

Usage of different tests!

0
Votes
1
Answer

Hello, team!
 
So if our sample size is greater than 30, we use z-test? or t-test?
 
Regards,
 

1 Answer

365 Team
0
Votes

Hi Anantee,

You can use either.

Just keep in mind that when n>30, t-score and z-score will coincide.

Therefore we say: ‘for simplicity, you can just use z-test‘.

Best,
The 365 Team

×
Learn Data Science
this Summer!
Get 50% OFF