Asked by Kyle
A manufacturer claims that the mean amount of juice in its 16 ounce bottles is 16.2 ounces. A consumer advocacy group wants to determine whether the mean amount is actually less than this. The mean volume of juice for a random sample of 70 bottles was 16.04 ounces with a standard deviation of 0.9 ounces. Find a 95% confidence interval to estimate the true mean amount of juice in these bottles.
A) What is the sample mean?
B) Standard deviation?
C) How many standard deviations do we need to capture 95% estimate?
D) Margin of error?
A) What is the sample mean?
B) Standard deviation?
C) How many standard deviations do we need to capture 95% estimate?
D) Margin of error?
Answers
Answered by
PsyDAG
A, B) random sample of 70 bottles was 16.04 ounces with a standard deviation of 0.9 ounces.
C) ± 2 SD
D) Z = (score-mean)/SEm
SEm = SD/√n
C) ± 2 SD
D) Z = (score-mean)/SEm
SEm = SD/√n
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.