Interpreting 'P' Values

Question 1

What is a ‘P’ value?

Answer 1

the confidence level for a statistical test

Question 2

With what confidence is the result significant when P > 0.05?

Answer 2

The result of the test is not significant

Question 3

With what confidence is the result significant when P < 0.05?

Answer 3

With greater than 95% the result is significant

Question 4

With what confidence is the result significant when P < 0.01?

Answer 4

With greater than 99% the result is significant

Question 5

With what confidence is the result significant when P < 0.001?

Answer 5

With greater than 99.9% the result is significant

Question 6

When using Minitab, if a P value is 0.000, how should this be expressed?

Answer 6

As P < 0.001 (with greater than 99.9% confidence the result is significant)