To obtain a sample of 20 patients in ICU, clinician goes to the ICU and selects the current patients. This is an exa
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Question
Question 1
To obtain a sample of 20 patients in ICU, clinician goes to the ICU and selects the current patients. This is an example of a:
Judgement sampling
Simple random sampling
Snowball sampling
Convenience sampling
Question 2
A Type I error is committed when _____.
We reject a null hypothesis that is true.
We do not reject a null hypothesis that is true.
We reject a null hypothesis that is false.
We do not reject a null hypothesis that is false.
Question 3
Which of the following would be an appropriate null hypothesis?
The mean of a sample is equal to 65.
The mean of a population is greater than 65.
The mean of a population is equal to 65.
The mean of the sample is greater than 65.
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