Using the same data set from part A, perform the hypothesis test for each speculation in order to see if there is evidence to support the manager's belief. Use the Eight Steps of a Test of Hypothesis from Section 9.1 of your textbook as a guide. You can use either the p-value or the critical values to draw conclusions. Be sure to explain your conclusion and interpret that to the claim in simple terms Compute 99% confidence intervals for the variables used in each hypothesis test and interpret these intervals.
Using the same data set from part A, perform the hypothesis test for each speculation in order to see if there is evidence to support the manager's belief. Use the Eight Steps of a Test of Hypothesis from Section 9.1 of your textbook as a guide. You can use either the p-value or the critical values to draw conclusions. Be sure to explain your conclusion and interpret that to the claim in simple terms Compute 99% confidence intervals for the variables used in each hypothesis test and interpret these intervals.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Complete the following four hypotheses, using α = 0.05 for each.
. Mean time per call is 14.7 minutes
Using the same data set from part A, perform the hypothesis test for each speculation in order to see if there is evidence to support the manager's belief. Use the Eight Steps of a Test of Hypothesis from Section 9.1 of your textbook as a guide. You can use either the p-value or the critical values to draw conclusions. Be sure to explain your conclusion and interpret that to the claim in simple terms Compute 99% confidence intervals for the variables used in each hypothesis test and interpret these intervals.
| Sales (Y) | Calls (X1) | Time (X2) | Years (X3) | Type |
| 37 | 131 | 16.9 | 2 | GROUP |
| 44 | 134 | 19.4 | 3 | GROUP |
| 33 | 139 | 19.3 | 3 | GROUP |
| 40 | 145 | 14.7 | 2 | GROUP |
| 35 | 149 | 15.6 | 1 | GROUP |
| 47 | 149 | 15.8 | 1 | GROUP |
| 26 | 150 | 14.9 | 2 | GROUP |
| 39 | 150 | 15.3 | 3 | GROUP |
| 47 | 151 | 16.6 | 2 | GROUP |
| 25 | 152 | 15.0 | 3 | GROUP |
| 41 | 152 | 14.5 | 4 | GROUP |
| 49 | 153 | 19.0 | 3 | GROUP |
| 42 | 154 | 14.3 | 2 | GROUP |
| 42 | 154 | 15.3 | 1 | GROUP |
| 25 | 155 | 17.9 | 1 | GROUP |
| 45 | 156 | 13.2 | 3 | GROUP |
| 50 | 157 | 15.9 | 3 | GROUP |
| 44 | 159 | 14.6 | 2 | GROUP |
| 42 | 161 | 13.2 | 1 | GROUP |
| 48 | 162 | 14.5 | 4 | GROUP |
| 41 | 164 | 17.8 | 3 | GROUP |
| 67 | 166 | 18.9 | 1 | GROUP |
| 44 | 168 | 12.4 | 2 | GROUP |
| 43 | 169 | 14.0 | 5 | GROUP |
| 22 | 170 | 14.3 | 4 | GROUP |
| 46 | 172 | 14.7 | 3 | GROUP |
| 43 | 175 | 13.6 | 5 | GROUP |
| 49 | 178 | 18.3 | 2 | GROUP |
| 44 | 192 | 16.7 | 1 | GROUP |
| 25 | 130 | 12.8 | 2 | NONE |
| 36 | 131 | 11.7 | 3 | NONE |
| 35 | 131 | 21.6 | 1 | NONE |
| 36 | 131 | 18.5 | 0 | NONE |
| 49 | 131 | 14.6 | 1 | NONE |
| 37 | 132 | 10.0 | 3 | NONE |
| 38 | 135 | 18.5 | 3 | NONE |
| 22 | 139 | 16.9 | 4 | NONE |
| 39 | 140 | 12.4 | 0 | NONE |
| 42 | 140 | 17.5 | 3 | NONE |
| 37 | 142 | 13.9 | 2 | NONE |
| 25 | 143 | 15.4 | 1 | NONE |
| 50 | 144 | 15.8 | 2 | NONE |
| 22 | 145 | 19.0 | 2 | NONE |
| 50 | 148 | 16.0 | 0 | NONE |
| 67 | 155 | 17.9 | 1 | NONE |
| 37 | 159 | 18.1 | 0 | NONE |
| 39 | 160 | 14.3 | 4 | NONE |
| 45 | 138 | 15.3 | 2 | ONLINE |
| 36 | 140 | 15.7 | 1 | ONLINE |
| 39 | 144 | 17.7 | 1 | ONLINE |
| 41 | 149 | 17.3 | 0 | ONLINE |
| 45 | 149 | 13.5 | 1 | ONLINE |
| 42 | 152 | 14.6 | 1 | ONLINE |
| 44 | 153 | 15.3 | 2 | ONLINE |
| 41 | 155 | 16.0 | 2 | ONLINE |
| 44 | 156 | 20.0 | 0 | ONLINE |
| 40 | 157 | 15.4 | 1 | ONLINE |
| 34 | 158 | 14.2 | 3 | ONLINE |
| 41 | 159 | 18.8 | 2 | ONLINE |
| 43 | 160 | 10.9 | 4 | ONLINE |
| 44 | 160 | 14.8 | 2 | ONLINE |
| 43 | 161 | 17.3 | 3 | ONLINE |
| 46 | 163 | 16.6 | 2 | ONLINE |
| 44 | 165 | 15.7 | 3 | ONLINE |
| 44 | 165 | 12.4 | 3 | ONLINE |
| 48 | 167 | 14.8 | 3 | ONLINE |
| 42 | 168 | 16.4 | 0 | ONLINE |
| 44 | 168 | 11.0 | 5 | ONLINE |
| 41 | 170 | 12.3 | 0 | ONLINE |
| 45 | 170 | 14.2 | 1 | ONLINE |
| 48 | 170 | 17.4 | 5 | ONLINE |
| 46 | 171 | 14.9 | 5 | ONLINE |
| 48 | 171 | 13.0 | 5 | ONLINE |
| 30 | 173 | 17.5 | 1 | ONLINE |
| 43 | 174 | 12.7 | 2 | ONLINE |
| 45 | 174 | 13.6 | 2 | ONLINE |
| 40 | 176 | 12.6 | 1 | ONLINE |
| 21 | 177 | 17.0 | 0 | ONLINE |
| 41 | 178 | 13.4 | 2 | ONLINE |
| 49 | 178 | 15.1 | 3 | ONLINE |
| 49 | 178 | 16.4 | 2 | ONLINE |
| 51 | 178 | 16.5 | 1 | ONLINE |
| 41 | 180 | 14.0 | 2 | ONLINE |
| 42 | 181 | 11.5 | 4 | ONLINE |
| 48 | 182 | 13.0 | 2 | ONLINE |
| 46 | 183 | 15.4 | 4 | ONLINE |
| 46 | 184 | 12.7 | 5 | ONLINE |
| 52 | 184 | 11.4 | 4 | ONLINE |
| 21 | 185 | 18.9 | 2 | ONLINE |
| 47 | 186 | 13.5 | 3 | ONLINE |
| 48 | 186 | 14.2 | 1 | ONLINE |
| 48 | 188 | 13.6 | 0 | ONLINE |
| 48 | 188 | 11.3 | 2 | ONLINE |
| 50 | 189 | 14.3 | 1 | ONLINE |
| 56 | 189 | 15.0 | 3 | ONLINE |
| 40 | 191 | 19.0 | 5 | ONLINE |
| 52 | 193 | 13.7 | 5 | ONLINE |
| 42 | 194 | 13.6 | 2 | ONLINE |
| 41 | 198 | 13.2 | 2 | ONLINE |
| 48 | 201 | 12.5 | 1 | ONLINE |
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