2.A researcher interested in the effects of meditation on anxiety levels decided to have one group of subjects (n = 25) complete 30 minutes of meditation exercises, while the other group (n = 25) completed 30 minutes of silent reading.He then gave both sets of subjects a standard anxiety rating scale, and recorded the results as follows.Did those using meditation significantly differ in anxiety level?two-tailed test at alpha .

MeditationSilent Reading

x1 = 7.5 x2 = 9

S 2 = 4.2 S 2 =3.6

1 2

Step 1:State the null and research hypotheses in symbols and words:

Be sure to label H1 and H0

Step 2:Set the criteria for making a decision:

Step 3:Conduct the appropriate statistical test:

Step 4:Based on your answers above, state your decision about the null

REJECTFAIL TOREJECT(Highlight one)

State your conclusion.That is, what does this decision lead you to conclude about the research question?