A research team believes that a recently discovered treatment
will decrease scores. They randomly selects a sample of 11 people,
and with their permission, provides them a treatment. They then
evaluate the evidence regarding whether their treatment had an
effect. Here's the data: The mean for their sample is 100. The mean
for the population is 102, with a standard deviation of 10. Assume
a normal distribution for the individual scores. The research team
sets their alpha level to .05. . Calculate the Z test, and decide
whether the research team should: 0 - Retain the null hypothesis 1
- Reject the null hypothesis. Provide as your answer the number (0
or 1) that corresponds to your decision:
A research team believes that a recently discovered treatment will decrease scores. They randomly selects a sample of 11
-
answerhappygod
- Site Admin
- Posts: 899604
- Joined: Mon Aug 02, 2021 8:13 am
A research team believes that a recently discovered treatment will decrease scores. They randomly selects a sample of 11
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!