Can you help me solve these problems in Chi-Square?

1. What conclusions can be drawn from the data in question number 1.

2. Is there a sex difference in the preference of birth control in question number 2?

3. In question number 3, Is there a difference between the salaries of the college and non-college graduates. Use alpha= 0.05

1 To find out if the completion or non-completion of a task is related to type of leadership, a researcher collected data froM 100 leaders. What conclusions can be drawn froM the data? Task Group Leadership O E O-E (0-E)2 (0-E)2 /E Completion dEMoctrats Autocrats 25 24.75 0.25 0.0625 0.002525 YES 25 30 55 30 30.25 -0.25 0.0625 0.002066 NO 20 25 45 20 20.25 0.25 0.0625 0.003086 45 55 100 25 24.75 0.25 0.0625 0.002525 Chi-Square 0.0102032 In a survey, it was found out that 60 out of 110 feMales, 90 out of 12DI Males favored the use of birth control. Is there a sex difference in the preference of birth control? Favored Birth Sex Category:r Control MALE FEMALE YES 90 60 150 NO 30 50 80 120 110 230 O E O-E [OE}2 [0-E}2 IE 90 78.25087 11.73913 137.8072 1.76087 60 71.73913 11.7391 137.8072 1.920949 30 41.73913 -11.7391 137.8072 3.30163 50 38.26087 11.73913 137.8072 3.601779 Chisquare 10.58523 3 Salaries of college and noncollege graduates were coMpared. Results are shown below: Educ 101001- 15,001- Level Below 5,000 5,001-101000 15,000 20,000 College Graduate 30 35 25 10 100 Non College 50 40 10 8 108 Graduate 80 75 35 18 208 30 38.46153846 -8.46153846 71.5976331 1.861538 35 36.05769231 -1.05769231 1.11871302 0.031026 25 16.82692308 8.173076923 66.7991864 3.96978 10 8.653846154 1.346153846 1.81213018 0.209402 41.53846154 8.461538462 71.5976331 1.723647 40 3894230769 1.057692308 1.11871302 0.028727 10 1817307692 -8.17307692 66.7991864 3.675722 9.346153846 -1.34615385 1.81213018 0.19389 11.59373 Chi-sqaure Test the Significance? a. Is there a difference between the salaries of the college and non-college graduates? Use alpha = 0.05 The p-value is .008509. The result is significant at p e: .05