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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
Related questions
Question
Complete the following four hypotheses, using α = 0.05 for each.
.
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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