If we fail to reject the null hypothesis, ____________.

We have failed to find evidence to support the alternative

Type I error occurs when the null ______________.

is actually true, but the test incorrectly rejects

If a test fails to reject the null hypothesis then _________________.

the test has failed to provide significant evidence for Ha

The alternative hypothesis______________.

Is based on new information provided by sample data

The power of the test represents probability of ______________.

correctly rejecting the null, when it is indeed false

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Hypothesis Testing

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Hypothesis testing, type error, power,

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Questions 13

Answers

1
If we fail to reject the null hypothesis, ____________.
We have failed to find evidence to support the alternative
The null hypothesis is proved to be true
all of the above
We have found evidence to support the alternative
2
Hypothesis testing can result in ______ different outcomes
1
2
3
4
3
Type I error occurs when the null ______________.
Is actually false, but the test incorrectly fails to reject
All of the above
is actually true, but the test incorrectly rejects
is actually true, and the test correctly fails to reject
4
Hypothesis Testing always assumes that the ______________.
Alternative hypothesis is true
Probability of the alternative being true is less than 50%
Null hypothesis is true
Probability of the null being true is less than 50%
5
If a test fails to reject the null hypothesis then _________________.
there is significant evidence against the null hypothesis
the p-value of the test must be smaller than α
the test has failed to provide significant evidence for Ha
the test statistic is statistically significant
6
Which of the following will increase the power of a test?
decreasing the significance level
decreasing the sample size
Increasing alpha
decreasing the effect size
7
The statement of "no change from the traditional value," "no effect," "no relationship."
P-Value
alternative hypothesis
significance level
null hypothesis
8
If we reject the null hypothesis then _____________.
we have found significant evidence against the null
the p-value must be smaller than the alpha level
all of the above
we have found significant evidence for the alternative
9
The alternative hypothesis______________.
Is based on new information from the population data
Is not deemed to be an important part of inferential stats
is accepted as correct in the absence of contradictory data
Is based on new information provided by sample data
10
HypothesisTesting involves drawing inferences about 2 contrasting _____ relating to a parameter
Theorems
Assumptions
Data Sets
Propositions
11
Hypothesis testing is a technique used to draw statistically valid conclusions about
Sample Statistics
Individuals
Random Errors
Population Parameters
12
The probability of making Type I error is denoted ______.
β
1-β
α
σ
13
The power of the test represents probability of ______________.
incorrectly rejecting the null, when it is actually true
incorrectly failing to reject the null, when it is false
correctly failing to reject the null, when it is true
correctly rejecting the null, when it is indeed false

Hypothesis Testing Flashcards | StudBud