hypothesis testing & types of error

When giving a word problem and asked to find null or aletrnative you take into account __ possible outcomes, not just what its describing

ALL

What does Ho mean?

null hypothesis

• equality of inclusive

what does Ha mean

alternative hypothesis

• not equal or inclusive

Which hypothesis always has an equal sign? 

null hypothesis 

1. For a right tailed test null hypothesis, the arrow opens up to the __

2. for a right tail Ha, the arrow opens up __

1. right

2. left

what are the 2 outcomes of hypothesis testing?

rejecting or not rejecting Ho

error when Ho is rejected when it is actually true

type 1 error

error when we fail to reject Ho when it is false

type 2 errors

what are the 2 types of level of significance

alpha and beta

alpha is probability of a __ error

type 1

beta is the probability a __ error

type 2

the level of significance will never be __ 

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