Pls help i beg u pls
1 answer:
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Answer:
(1)
Replacing the info given we got:
Step-by-step explanation:
Information given
represent the sample mean
represent the sample standard deviation
sample size
represent the value to verify
represent the significance level
t would represent the statistic
represent the p value
Hypothesis to test
We want to test if the true mean is higher than 9.33, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info given we got:
There is no rate of change.
x=8 and x=13 are horizontal lines going to infinity and negative infinity, its valid for all reals on those 2 lines.
I'm guessing you left out some information on what kind of interpretation you want of these straight lines.
