4. In order to test whether brand-name printer cartridgesproduce more printed pages, on average, than generic cartridges, aresearch firm has 6 randomly selected printer users use both typesof cartridges and record how many pages were printed with each. Thenumber of pages printed for each user by each type of cartridge areshown on the answers sheet in cells F92 to G98.
Use the 0.01 significance level to test whether the brand-namecartridges print more pages on average than the genericcartridges. |
Identify and interpret the p-value for the test. |
DATA:
User | Name Brand | Generic |
1 | 306 | 300 |
2 | 256 | 260 |
3 | 402 | 357 |
4 | 299 | 286 |
5 | 306 | 290 |
6 | 257 | 260 |
ANSWERS MUST FOLLOW THIS FORMAT:
Define H0 : | |
Define H1 : | |
Test statistic | |
Critical value of test statistic | |
Decision rule | |
Calculated value of test statistic | |
Reject or fail to reject H0? | |
Conclusion about the cartridges | |
Find the p-value | |
Interpret p-value | |