If we fail to reject the null hypothesis, ____________.

We have failed to find evidence to support the alternative

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

the test has failed to provide significant evidence for Ha

Type I error occurs when the null ______________.

is actually true, but the test incorrectly rejects

The alternative hypothesis______________.

Is based on new information provided by sample data

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Duplicate of Hypothesis Testing

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Hypothesis testing, type error, power, #hypothesistesting #significancetests #typeierror #typeiierror #power

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Answers

1
If we fail to reject the null hypothesis, ____________.
We have found evidence to support the alternative
We have failed to find evidence to support the alternative
all of the above
The null hypothesis is proved to be true
2
HypothesisTesting involves drawing inferences about 2 contrasting _____ relating to a parameter
Propositions
Assumptions
Theorems
Data Sets
3
The statement of "no change from the traditional value," "no effect," "no relationship."
alternative hypothesis
P-Value
null hypothesis
significance level
4
Hypothesis testing is a technique used to draw statistically valid conclusions about
Population Parameters
Individuals
Sample Statistics
Random Errors
5
If a test fails to reject the null hypothesis then _________________.
the p-value of the test must be smaller than α
there is significant evidence against the null hypothesis
the test has failed to provide significant evidence for Ha
the test statistic is statistically significant
6
Type I error occurs when the null ______________.
All of the above
Is actually false, but the test incorrectly fails to reject
is actually true, but the test incorrectly rejects
is actually true, and the test correctly fails to reject
7
If we reject the null hypothesis then _____________.
all of the above
we have found significant evidence against the null
we have found significant evidence for the alternative
the p-value must be smaller than the alpha level
8
Hypothesis Testing always assumes that the ______________.
Probability of the null being true is less than 50%
Alternative hypothesis is true
Probability of the alternative being true is less than 50%
Null hypothesis is true
9
The alternative hypothesis______________.
Is based on new information provided by sample data
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
10
The probability of making Type I error is denoted ______.
1-β
β
α
σ

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