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WorksheetsEngineering Statistics II
Total questions: 10
Worksheet time: 4mins
Which of the following are included as inferential statistics?
A list of movies playing at the theatre
Checking the average volume of coke bottles in quality control
Summarize KFC products sales
Testing claims of McDonald's from chosen customers
A drug company incorrectly conclude a new drug is safe when in fact it is not. In case, the company made Type I error
True
False
The p-value is ...
0.05
0.001
0.0025
0.01
The p-value is 0.0010, so do not reject the null hypothesis.
True
False
Margin of error is directly proportional to the sample size
True
False
Alpha and beta has a defined formula that specifies their inverse relationship
True
False
If love can be quantified, we only accept those that passes a certain threshold. What is the appropriate model for love?
Upper tailed
Lower tailed
Two tailed
My love failed
Significance level is strongly related to the confidence level
True
False
Null hypothesis is the status quo expressed in numbers.
True
False
Type 1 and type 2 error can happen at the same time
True
False
