Results: Interpreting Data

Question 1

What is statistical significance?

Answer 1

when a test returns a p value below the established cut-off point.
the null hypothesis is rejected

Question 2

What is uncertainty?

Answer 2

estimated values may not accurately reflect true values because of error. researchers describe the uncertainty of their findings by including a range of values within which the true value is likely to fall.

Question 3

What are confidence intervals?

Answer 3

use a normal distribution to provide an estimated range of values that is likely to include the true value.