Q3 A researcher ran a study and analyzed data from two different groups of people. The purpose of the study was to see if older women (x) or younger women (y) had any differences in their stress scores. The researcher used a two tailed independent t test. One group had 8 people in it and the other had 19 people in it. The t calc value was -2.8 and Cohen was calculated to be -.5. Based on this answer the following questions

A what is t crit (alpha=.05)? _____________,

Is there s significant difference between groups?_____________________

Which group had a higher mean? _____________ How do you know (two things)?_________________________

At the end of your interpretation sentence you always put details of the test in brackets. Write what would be in that bracket for the study described in Q3.

(t = ).