Last 3 questions require solutions. I have attached the required SPSS dataset information.

Police Officers in the Tri-State Area (30 points) Open file: Police Salary Dataset.sav Answer the following questions using data about police officers in the tri-state cities of New Jersey, New York, and Connecticut: 1. Test the claim that there is no effective difference in the mean number of cops per 1,000 in the tri-state area (NY, NJ, and CT) using an appropriate statistical test. This will require you to create a new variable. Paste the syntax/code of the new computation below.a. State the Null Hypothesis and Alternative Hypothesis: Null Hypothesis (Ho): There is no mean difference between the number of cops per 1,000 in 3 states. Alternative Hypothesis (Ha): At least the mean differs significantly for the number of cops per 1,000 in 3 states. b. Which statistical test will you use and why? ANOVA c. Test at a = 0.05 significance level. Include all appropriate tables in APA format, as well as a detailed statistical academic explanation.Observe whether variances are equal whether the assumption of homogeneity of variances is violated} and if necessary conduct a robust test for equality of means . Test at o = 0.05 signicance level. Include all appropriate tables in APA format. as well as a detailed statistical academic explanation. (1. Calculate the effect size. using either the r2 or omega squared (:13, and explain their meaning. You can use SPSS or the respective formulae to complete this step. \f36 UNION CITY 66573 175 27124 65263 NJ 2.63 37 WEST NEW YORK 46348 124 29122 33625 NJ 2.68 38 TRENTON 85314 372 24884 61099 NJ 4.36 39 NEW BRUNSWICK 49803 141 30583 30583 NJ 2.83 40 PERTH AMBOY 48447 134 36741 40932 NJ 2.77 41 SAYREVILLE 42064 85 33500 72000 NJ 2.02 42 LONG BRANCH 31523 101 26661 33326 NJ 3.20 43 CLIFTON 79823 155 26737 56599 NJ 1.94 44 PASSAIC 68528 167 30655 36227 NJ 2.44 45 PATERSON 150782 460 22025 60755 NJ 3.05 46 ELIZABETH 123215 362 35243 39000 NJ 2.94 47 LINDEN 39877 129 35575 69044 NJ 3.23 48 PLAINFIELD 48025 151 30000 62277 NJ 3.14 49 RAHWAY 26779 80 27500 76924 NJ 50 WESTFIELD 29951 59 30267 30267 NJ 1.97 51 TEANECK 39815 101 27200 27200 NJ 2.54 52 MT. LAUREL 40523 74 46065 71720 NJ 1.83 53 CHERRY HILL 71081 134 28000 34000 NJ .89 54 BLACKWOOD 65963 104 33000 55000 NJ .58 55 MONTCLAIR 38584 111 35691 60498 NJ 2.88 56 WEST ORANGE 45069 109 37611 64998 NJ 2.42 57 NUTLEY 28091 65 35356 63330 NJ 2.31 58 BELLEVILLE 35604 108 33297 33297 NJ 3.03 59 BLOOMFIELD 47165 122 25485 67680 NJ 2.59 60 IRVINGTON 60057 240 34073 64864 NJ 4.00 61 ORANGE 32556 115 29140 64787 NJ 3.53 62 NORTH BERGEN 58445 121 23000 50000 NJ 2.07 63 EWING 36535 83 33075 76358 NJ 2.27 64 HAMILTON 89632 180 50453 73695 NJ 2.01 65 EAST BRUNSWICK 48337 93 31500 78000 NJ 1.92 99 OLD BRIDGE 63663 97 26000 62000 NJ 1.52 67 NORTH BRUNSWICK 38404 84 27718 31044 NJ 2. 19 68 PISCATAWAY 52055 89 33921 35074 NJ 1.71 69 EDISON 100138 223 37231 75680 NJ 2.23