Iris charges a fee for her consulting services plus an hourly rate that is 1 1/5 times her fee. On an 7 hour job iris changed $4
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Answer:
The teacher select a sample of n =15 students. And he wanted to know if teaching a smaller class was more effective and students performed better, that means if and he obtaind a sample mean of
.
Based on this the correct system of hypothesis are:
Null hypothesis:
Alternative hypothesis:
And the best option for this case is:
a. H0: vs. H1:
.
Step-by-step explanation:
For this case we have the following previous info given:
represent the true mean
represent the true deviation
The teacher select a sample of n =15 students. And he wanted to know if teaching a smaller class was more effective and students performed better, that means if and he obtaind a sample mean of
.
Based on this the correct system of hypothesis are:
Null hypothesis:
Alternative hypothesis:
And the best option for this case is:
a. H0: vs. H1:
.