just need to answer questions 6 and 7. please

ending on Welfare is the Dependent variable. 5. Calculate the chi-square (2 pts). ocial Class/Welfare fo fo - fe ( fo - f. ) ? (fo - fe pending ower/Too little 56 246*98/800-30.135 56-30.135=25.87 669.26 669.26/30.1 ower/About right 32 246*98/800-30.135 32-30.135=1.87 3.50 3.50/30.135 ower/Too much 10 246*98/800-30.135 10-30.135= 20.14 405.62 405.62/30.13 Working/Too little 84 246*320/800-98.4 84-98.4- 14.4 207.36 207.36/98. Working/About right 112 246*320/800-98.4 112-98.4-13.6 184.96 184.96/98. Working/Too much 124 246*320/800-98.4 124-98.4-25.6 655.36 655.36/98.4 Middle/Too little 98 246*312/800-95.94 98-95.94-2.06 1.24 4.24/95.94 Middle/About right 101 246*312/800-95.94 101 95.94-5.06 25.60 25.60/95.94 Middle/Too much 113 246*312/800-95.94 113-95.94=17.06 291.04 291.04/95.94 Upper/Too little 8 246*70/800-21.525 8 21.525=-13.53 183.06 183 06/21.525 Upper/About right 26 246*70/800-21.525 26-21.525=4.48 20.07 20.07/21.525 Upper/Too much 36 246*70/800-21.525 36-21.525-14.48 209.67 209.67/21.525 174.3 6. Based on an alpha of .05, do you reject the null hypothesis (1 pts)? 7. Explain the reason for your answer (1 pts)