Hypothesis testing

2 Activities

When we reject the null hypothesis we are

saying there is evidence to support the alternative hypothesis but the null hypothesis could still be theoretically true

saying there is evidence to support the null hypothesis but the alternative hypothesis could still be theoretically true

saying results are not statistically significant

saying there's a high probability that the null hypothesis is true.  

I don't know

If the p-value is greater than the significance level we:

For the following statements, select true or false. Enter T for True, F for False.

One of the following statements is false. Which one is it?

A t distribution is used instead of the normal z distribution when