Flashcards
Stats Chapter 9 and above
Flashcards do conjunto (11)
- 1what is a hypothesisa claim (assertion) about a population parameter
- 2What is a Null Hypothesis?H0
- 3Define a Null Hypothesisstates the claim or assertion to be tested and it is always about a population parameter not a sample statistic
- 4what is the alternative hypothesisH1
- 5what are some characteristics of an alternative hypothesis1) opposite of the null hypothesis (2) challenges the status quo (3) alternative never has the "=" sign (4) it may or may not be proven (5) it is generally the hypothesis that the researcher is trying to prove
- 6characteristics of Null Hypothesis1) you begin by assuming the null hypothesis is true (2) refers to the status quo or historical value (3) null always contains "=" (4) it may or may not be rejected
- 7Possible hypothesis test outcomes
- 8what is the confidence coefficient (1-α)the probability of not rejecting H0 when it is true
- 9what is the confidence level of a hypothesis test1-α*100%
- 10what is the power of statistical test 1-βthe probability of rejecting H0 when it is false
- 11what is true about the relationship between Type I and II errors
Informações
- Descrição
- FlashCards sobre Stats Chapter 9 and above, criado por yaydjones em 19-03-2014.
- Criado por
- yaydjones
- Visualizações
- 21
- Avaliação