PFA
The solution
Obtain the 96% confidence interval to estimate the average difference between the pre-scores and post-scores. POSTSCORE...
You have two groups of apples (data below). You want to see if there is a statistical differnce between the two groups. Run descriptives and a two tailed, two sample assuming equal variance t-test. Here's your data: Weight of Apples in Grams Apple ID Farm A Farm B 1 131 151 2 147 159 3 134 162 4 134 158 5 136 159 6 137 160 7 140 150 8 134 160 9 136 160 10 133 160 11 134...
Consider the compressive strength data 6-2. What propotion of thespecimens exhibit compressive strength of at least 1379 KN/m^2? ■ TABLE 62 Compressive Strength (in psi) of 80 Aluminum-Lithium Alloy Specimens 105 97 245 163 207 134 218 199 160 196 221 154 228 131 180 178 157 151 175 201 183 153 174 154 190 76 101 142 149 200 186 174 199 115 193 167 121 120 181 160 194 184 165 145 160 150 181 168 158 208...
Maintaining a healthy weight is important for women’s health. Some physicians recommend being back to your pre-pregnancy weight six months after giving birth. Public health officials are interested in whether this is a realistic goal. Do the women in North Carolina weigh more than their pre-pregnancy weight six months postpartum? In other words, is the six months post-pregnancy weight greater than their pre-pregnancy weight? Use a paired samples t-test to compare pst6wght (variable 1) and prewght (variable 2). This uses...
(Use Excel) italy common for people to put on weight when they quit smoking While a small weight gain is normal c e weight gain can create new health concerns that brode the benefits of not smoking. The accompanying table shows a portion of the weight data for 50 women before quitting and six months after quitting Use Table 2 Weight Before Quilling 140 144 138 Weight After Quilling 155 142 163 146 129 149 136 127 158 145 118...
How do I plot a series graph with this data provided? Month 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 Jan 95 104 101 88 132 125 111 127 119 147 Feb 94 100 96 110 109 118 123 129 147 146 Mar 98 99 82 129 101 121 121 132 164 133 Apr 96 88 84 113 111 140 139 108 135 148 May 95 89 85 114 140 141 119 115 124 141 Jun 115 108...
What are lower and upper class boundaries and draw a histogram for data below 102 104 140 136 152 132 158 193 128 141 130 133 147 148 141 129 133 137 179 147 152 114 124 138 129 164 135 128 139 154 168 148 152 116 107 136 167 143 139 152
Body weight Bench press 148 145 176 148 154 133 189 156 181 166 217 174 210 168 150 139 137 109 151 119 172 138 219 167 142 131 143 119 164 151 136 124 147 149 129 134 219 162 169 140 180 149 187 156 198 149 156 131 220 149 154 138 212 147 122 122 163 133 136 136 An exercise science major wants to try to use body weight to predict how much someone...
Electric Bill 99 174 205 181 150 105 156 200 130 85 160 188 93 119 175 114 151 216 133 168 144 152 209 178 126 131 147 171 112 170 98 166 153 157 133 146 190 169 142 152 111 122 186 154 117 138 194 140 132 161 In our text, "Applied Business Statistics for Business Managers using Excel," please read Chapters 2 and 3. In Chapter 2, you will be learning how to construct some...
I'm making a sudoku solver to check if the sudoku grid created is legal. There are supposed to be no repeated numbers in each row, column, and block. I got the code for the repeated numbers for row and column but confused on how to write the code for the blocks. Here is my code: 134 135 136 / COMPLETE THIS 137 // Returns true if this grid is legal. A grid is legal if no row, column, or //...
Serum Systolic Serum Systolic Serum Systolic Serum Systolic Serum Systolic 04 137 183115 218 145 209 170 195 115 Question 1a: Data a. Use the proportion from question 1a. Test the claim that the Sample 153 127 193 146 173 194 163 201...-174--157 proportion of Asianssi-s than 25%, use 219 ; 1191 163 160 174,160 140 Proportion 0.2 Critical Value 1.645 Margin of Error 0.0658 144 140 145 177 152166175 200 131 Hypotheses: You may write HO and Hl Test...