P-values Flashcards
(3 cards)
1
Q
What is a p-value?
A
Probability that the difference or correlation in the results occurred due to chance
2
Q
Chance and confidence when p=0.05
A
5% chance
95% confidence
3
Q
If the test statistic is greater than the critical value at p=0.05…
A
There is less than 5% probably that the results occurred due to chance. We reject the null hypothesis as there is a statistically significant difference or correlation between variables