Part 1 : Really need help, show work please

Problem set 2: use the following information to answer questions 4-7 (5 points total): We continue our analysis from previous problem set, this time examining the relationship between social class (CLASS) and spending on welfare (NATFARE). Social Class Spending on Welfare Lower Class Working Class Middle Class Upper Class Total Too little 54 34 8 244 About right 28 112 104 21 265 Too much 12 125 120 34 291 Total 94 321 322 63 800 4. What is the number of degrees of freedom for this table (1 pts)? 5. Calculate the chi-square (2 pts). Social Class/ Welfare f. - f. ( f . - f. ) Spending Lower/Too little 54 Lower/About right 28 Lower/ Too much 12 Working/Too little Working/About right 112 Working/Too much 125 Middle/Too little 98 Middle/About right 104 Middle/Too much 120 Upper/Too little 8 Upper/About right 21 Upper/Too much 34 X'= 6. Based on an alpha of .05, do you reject the null hypothesis (1 pts)? 7. Explain the reason for your answer (1 pts)