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Chi-square / Statistics and probability Flashcards | StudBud
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Chi-square / Statistics and probability
Chi-square / Statistics and probability
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Statistics review for genetics
Flashcards
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Answers
1
What is the p-value?
The probability of falsely rejecting null
Always two standard deviations from the mean
The level of acceptable risk
The probability of correctly rejecting null
2
What is a false positive?
A biological male receiving a positive pregnancy test
A positive diagnosis where no condition exists
A person diagnosed with cancer when they do not have cancer
3
What does a p-value of 0.05 mean?
5% chance we incorrectly rejected the null
95% chance we incorrectly rejected the null
4
Which rule applies to the following: The probability of flipping 4 heads in a row
Sum (OR) rule
Multiplication (AND) rule
5
A chi-squared tests if the _________ is/are significant.
variances
means
difference between observed and expected
difference in means of the observed and expected
6
Which rule applies to the following: The probability of rolling a 6 or a 12 with two dice
Multiplication rule
Sum rule
