Question: Use GSS06PFP-B to study the number of hours that blacks and whites work each week. Is there a difference between two groups in the central tendency and variability of work hours? You can use any SPSS output, including tables and graphs, to support your conclusions about the difference between blacks and whites in the central tendency and variability of hours worked. Please make sure to include only the SPSS output that supports your answer. You can refer to the Question 5 in page 168 of the textbook.