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A routine exercise designed to test one's knowledge; often from a textbook, course, or test used for a class or self-study. This community's policy is to "provide helpful hints" for such questions rather than complete answers.

1 vote
1 answer
202 views

The wording for null hypothesis

I'm new to this area and I'm a little confused with the wordings (although I've done a few calculations including T-Score tests...) I just need to understand if the wording being used is correct. Co …
itsols's user avatar
  • 839
1 vote
1 answer
63 views

Is my null hypothesis correct in this case?

I'm trying to understand the correct ways of expressing a null hypothesis. So I've created this case and I'd like to know if I'm on the right track. Case 1: There is a general understanding that keep …
itsols's user avatar
  • 839
4 votes
1 answer
261 views

How do I express this hypothesis using symbols?

I'm just making this up to understand the rules... Claim: People wearing roller blades can get to places in lesser time than those who don't. (Assuming on foot) Now, I'd like to express this using s …
itsols's user avatar
  • 839