Aresearcher is interested in whether people are less able to identify emotions correctly when they are extremely tired. It is known that. using a particular method of measurement. the accuracy ratings of people in the general population are normally distributed with a mean of 38 and a variance ot19. In the present study, however, the researcher arranges to test 43 people who had no sleep the previous night. The mean accuracy for these 43 individuals was 82 Using the D 05 level, what should the researcher conclude? Complete parts [a] through (d). Click here to View page 1 of the table. Click here to view page 2 of the table Clid