Asked by Anonymous
The following data is the result of a random sample of the ages (in years) of 12 houses in a community: 18, 22, 23, 19, 18, 24, 26, 17, 12, 27, 28. Construct a 90% confidence interval for the mean age of a house in this community.
Answers
Answered by
MathGuru
You will need to calculate the mean and standard deviation, then use a confidence formula to determine the interval.
Here is a formula to use:
CI90 = mean + or - 1.645(sd/√n)
Substitute the values into the formula and calculate.
Here is a formula to use:
CI90 = mean + or - 1.645(sd/√n)
Substitute the values into the formula and calculate.
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.