IQ tests were administered to 31 seventhgrade girls and 47 seventhgrade boys in a Midwest school district. The output is from an analysis of the data.

IQ tests were administered to 31 seventh-grade girls and 47 seventh-grade boys in a Midwest school district. The output is from an analysis of the data. Oneway Analysis of IQ By Sex 140- 130- 120- 110- g 100- . . 90- 80- 70 F M Sex t Test M-F Assuming unequal variances Difference 5.119 t Ratio 1.643877 Std Err Dif 3.114 DF 56.93171 Upper CL Dif 11.354 Prob > It/ 0.1057 Lower CL Dif -1.117 Prob > 0.0529 Confidence 0.95 Prob