Discuss the below:
Q1. To illustrate a production or marketing example: A company stats that is produces cookies with 50 chocolate chips per cookie. A sample of 36 cookies has an average of 49 chips with a standard deviation of 5 chips. Do we have a problem with our advertising claim of 50 chips per cookie (assume a confidence level of 95%)?
Q2. For a human resource example, stoges'slipper fitting service created an incentive plan for staff. To evaluate this dynamic plan, 4 staff members were selected at random, and their weekly incomes before and after the plan were recorded.
Salesperson before After
Curley $320 $340
larry 290 285
moe 421 475
Cinderella 510 510
was there a significant increase in the typical salespersons weekly income due to the innovative incentive plan? Use the .05 significant level.
Where do I start? We are comparing means for pairs of values. We desire to know the differences in the pairs.