data analysis (quantitative) Flashcards
(2 cards)
1
Q
What is a p-value?
A
The probability of obtaining the observed sample results when the null hypothesis is actually true, therefore the smaller the p-value the more certain you are of the result
2
Q
what are confidence intervals (CI)?
A
A confidence interval given an estimated range of values which is likely to include an unknown population parameter. It tells us how precise the estimated difference is.
