Information about sampling error and sample size

Reference no: EM1394199

A produce manager wants to estimate the mean size of coke bottle fills with 95 percent confidence. A preliminary sample of 12 bottles shows a sample standard deviation of 3 mil, and mean of 500.

A) What is the sampling or testing error?

B) What would be the sample size to reduce the error to half its value?

Reference no: EM1394199

Questions Cloud

Test the hypothesis-two sided p-value : Suppose we wish to test the hypothesis H0: = µ2 vs. H1: = µ≠2 We find a two sided p-value of .03 and a 95% CI for µ of (1.5, 4.0) Are these two results possibly compatible? Why or why not?

Prepare an unadjusted trial balance : Journal entries and trial balance On October 1, 2012, Faith Schultz established Heavenly Realty, which completed the following transactions during the month

Explain answer as logically sound and philisophically strong : Essay which describe why this logic is false. Write answer which are logically sound and philisophically strong and convincing. Prove this logic wrong.

Illustrate what are the legal concerns surrounding : Developing a series of ads showing consumers in store locations enjoying a cup of coffee.

Information about sampling error and sample size : A produce manager wants to estimate the mean size of coke bottle fills with 95 percent confidence. A preliminary sample of 12 bottles shows a sample standard deviation of 3 mil, and mean of 500.

Estimating sampling distribution of sample mean : An accounting firm is planning for the next tax preparation season. From last year's returns, the firm collects a systematic random sample of 100 filings.

Stating about the sample data : Heights are sampled of kids from three schools. Using a 0.05 significance level, if when looking at ANOVA results, your p-value is 0.04, what can you say about your sample data? no minimum word count.

Diluting purified protein concentration : You measured the purified protein concentration, which is 5 ug/uL. You decided to load 20 ug protein to the gel. How would you dilute your sample?

Explain how much money need to sock away right now : Let's say my name is Frank Zappa also my daughter Moon Unit Zappa was just born. I think her college education will cost me $80,000, 18 years from now.

User Account

All Pages