A B C D E F G H K M N O 1 Stats Prob 5 Increasing salinity causes an increase in adult male crabs 2 Null hypothesis: There is no relationship between salinity and adult male density 3 Alternate hypothesis: Adult male density increases linearly with salinity 4 Significance level: 5% 5 6 A. Highlight the correct statistical test Calculate your degrees of freedom Calculate your test statistic Chi-square Student t-test Correlation Regression Paired t-test Sign test (enter formula here) 7 B. 8 C. (enter formula here) 9 D. Enter the critical value of your test statistic (enter value here) 10 E. Highlight the correct decision Accept null Reject null 11 12 13 Date Year Month Census River Crab pots Temp Conduct Salinity DO PH Adult Males Adult Females Juv Males Juv Females Total Crabs 14 Jun-08 2008 6 1 Ash 0 27.95 27.00 16.99 4.63 6.99 29 5 20 7 61 15 Sep-08 2008 9 2 Ash 93 24.89 35.06 22.32 6.72 7.29 46 10 45 34 135 16 Dec-08 2008 12 3 Ash 72 12.29 18.10 11.38 8.49 7.28 30 8 46 33 117 17 Mar-09 2008 3 4 Ash 32 16.49 15.16 9.48 7.67 6.94 11 3 110 40 18 164 Jun-09 2009 6 5 Ash 108 28.88 15.12 9.27 3.64 6.88 21 4 23 18 66 19 Sep-09 2009 9. 6 Ash 77 26.56 29.19 18.36 5.18 7.04 28 5 30 14 77 20 Dec-09 2009 12 7 Ash 38 12.88 25.29 15.87 14.32 6.53 34 2 12 8 56 21 Mar-10 2009 3 8 Ash 39 13.44 14.14 8.87 10.24 6.73 17 4 77 29 127 22 Jun-10 2010 6 9 Ash 148 30.26 25.59 16.20 3.90 7.27 36 35 111 22 Sen 10 2010 9 Ach 167 28.01 21 22 12.27 2.22 741 16 Stats Prob 1 24 Stats Prob 2 Stats Prob 3 Stats Prob 4 Stats Prob 5 Graph 6 Graph 7 ( + 4 Activate WindSws Go to 77 158 Ready Accessibility: Unavailable Jun-10 2010 6 9 Ash 148 30.26 25.59 16.20 3.90 7.27 36 35 111 63 245 23 Sep-10 2010 9 10 Ash 167 28.04 21.22 13.27 3.22 7.41 41 16 24 77 158 24 Dec-10 2010 12 11 Ash 61 11.31 30.22 19.40 9.35 7.03 28 1 17 2 48 25 Mar-11 2010 3 12 Ash 24 15.95 17.78 11.23 7.20 6.63 15 2 25 9 51 26 Jun-08 2008 6 1 Com 0 29.47 26.26 16.53 4.71 7.07 36 2 37 21 96 27 Sep-08 2008 9 2 Com 154 28.34 31.67 20.12 5.26 7.15 57 21 28 13 119 28 Dec-08 2008 12 3 Com 33 12.54 21.69 13.64 8.75 7.37 52 9 37 35 133 29 Mar-09 2008 3 4 Com 116 16.83 16.23 10.11 7.60 7.06 2 3 36 12 53 30 Jun-09 2009 6 5 Com 221 27.90 15.63 9.61 4.40 6.95 12 9 19 13 53 31 Sep-09 2009 9 6 Com 69 27.68 33.86 21.47 5.30 7.00 23 4 33 18 78 32 Dec-09 2009 12 7 Com 163 12.87 23.77 15.05 14.81 6.52 7 3 10 8 28 33 Mar-10 2009 3 8 Com 83 13.94 12.46 7.55 10.53 6.95 15 5 48 28 96 34 Jun-10 2010 6 9 Com 150 30.71 28.02 17.54 3.94 7.18 19 6 42 12 79 35 Sep-10 2010 9 10 Com 116 28.48 27.71 17.41 3.71 7.50 48 35 21 24 128 36 Dec-10 2010 12 11 Com 72 12.19 35.51 22.89 8.75 6.81 17 6 15 9 47 37 Mar-11 2010 3 12 Com 91 15.69 20.30 12.76 7.41 6.31 1 1 20 7 29 38 Jun-08 2008 6 1 Eds 0 29.33 26.53 17.05 7.09 7.32 2 2 53 15 72 39 Sep-08 2008 9 2 Eds 40 27.15 25.73 16.61 7.51 7.27 9 23 8 9 49 40 Dec-08 2008 12 3 Eds 28 11.33 18.57 11.90 9.07 7.30 6 6 8 9 29 41 Mar-09 2008 3 4 Eds 154 16.82 16.52 10.53 8.45 6.93 3 9 11 10 33 42 Jun-09 2009 6 5 Eds 35 27.89 15.28 9.65 5.07 7.07 3 7 5 3 18 43 Sep-09 2009 9 6 Eds 20 27.18 24.85 15.91 7.55 7.22 6 5 38 15 64 44 Dec-09 2009 12 7 Eds 91 13.43 14.15 9.01 16.14 6.60 6 14 7 20 47 45 Mar-10 2009 3 8 Eds 87 13.57 17.65 11.31 10.71 6.96 10 3 8 8 29 46 Jun-10 2010 6 9 Eds 31 29.88 22.96 18.41 5.05 7.33 8 8 57 18 91 47 Sep-10 2010 9 10 Eds 83 28.11 24.33 15.70 5.47 7.65 22 6 29 22 79 48 Dec-10 2010 12 11 Eds 35 11.03 24.53 15.91 10.02 7.03 12 6 15 8 41 49 Mar-11 2010 3 12 Eds 30 14.51 22.75 14.76 8.05 6.78 3 15 7 11 36 50