Professional Harvard CoRE (Business Analytics) Karteikarten am Analytics W3, erstellt von Georgia Tan am 05/07/2015.
|
Erstellt von Georgia Tan
vor etwa 9 Jahre
|
|
Schließen
|
|
Erstellt von Georgia Tan
vor etwa 9 Jahre
|
|
What is the significance level
What indicates the strength of the evidence
against the null hypothesis?
the smaller the p-value is,
Significance Level=
What is a Type I Error?
What is a Type 2 error ?
A type I error is often called a _________
(we incorrectly reject the null hypothesis when it is actually true)
a type II error is often called a_______ (we incorrectly fail to reject the null hypothesis when it is actually not true).
The only difference in setting up a one-sided test versus a two-sided test is the _____
How many tails for a 1-sided test?
How many tails for a 2-sided test?
What is =T.TEST(array1, array2, tails, type)?
how to calculate the p value using excel?
What is the purpose of single-population hypothesis test?
What is the purpose of two-population hypothesis tests?
To perform a two-sample test in Excel, which function do we use?
The null hypothesis is the _______ of the hypothesis we are trying to prove (the alternative hypothesis).
the theory or claim we are trying to substantiate is the _____
