Partial CorrelationA psychologist is interested in conducting a study of grand j
ID: 3078284 • Letter: P
Question
Partial CorrelationA psychologist is interested in conducting a study of grand juries in L.A. county to see how they compare with the demographics of potential jurors in the population. She wants to see if jury panels are really representative of the population. The first variable she examines is age. The percentage of people over 65 in the population of potential jurors is 25%, but the number of people aged 65 or more who were involved in grand jury trials was 38%. She wants to know if the difference between people over 65 on juries is significantly different than that of the population. What test should she use? a) Chi Square goodness of fit b) Chi Square Test for independence c) T test for independent means d) T test for correlated means I think the correct answer is Chi Square for goodness of fit?Explanation / Answer
a) Chi Square goodness of fit