In a recent sample of 85 used cars sales costs, the sample mean was $6,325 with a
No answer yet for this question.
Ask a Tutor
Question:
In a recent sample of 85 used cars sales costs, the sample mean was $6,325 with a standard deviation of $3,153. Assume the underlying distribution is approximately normal.
a. Construct a 95% confidence interval for the population mean cost of a used car.(i) State the confidence interval.
b. Sketch the graph.
c. Calculate the error bound.
Expert Answer:
Posted Date:
