Hypothesis testing-american sugar producers association

Reference no: EM13111815

1) The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds.

1. What is the value of the population mean? What is the best estimate of this value?

2. Explain why we need to use the t distribution. What assumption do you need to make?

3. For a 90 percent confidence interval, what is the value of t?

4. Develop the 90 percent confidence interval for the population mean.

5. Would it be reasonable to conclude that the population mean is 63 pounds?

2) A processor of carrots cuts the green top off each carrot, washes the carrots, and inserts six to a package. Twenty packages are inserted in a box for shipment. To test the weight of the boxes, a few were checked. The mean weight was 20.4 pounds, the standard deviation 0.5 pounds. How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?

Reference no: EM13111815

Questions Cloud

Hypothesis test for student math scores : The mean math score for fifth grade students at Smart Elementary is 90 with a standard deviation of 8. The fifth grade students are tested each year to determine if the mean score remains the same.

Describe the different methods that cells use : Describe the different methods that cells use to restrict proteins to specific regions of the plasma membrane. Is a membrane with many anchored proteins still fluid? Explain.

Find probability that their first offspring will be white : A mouse species has three phenotypes, black, brown and white. There are two genes responsible, and there is epistasis between the two genes. If two white mice mate, what is the probability that their first offspring will be white?

Question about catalytic converter : The catalytic converter on your automobile contains small amounts of a precious metal catalyst. Which of the following components would you expect to be decreased in your tailpipe emissions.

Hypothesis testing-american sugar producers association : The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds. What is the value of the population mea..

How human activities can change the environment : DNA and RNA are similar yet distinct components of the cell. Describe three differences between RNA and DNA with respect to their chemical composition and structure. Provide a detailed description of each characteristic you chose in your response.

Explain advantages and disadvantages of alternative fuel : In the event of a severe and prolonged shortage of petroleum, suggest one alternative fuel that could be used for automobiles. What do you see as the advantages and disadvantages of your choice of alternative fuel?

Information about testing of hypothesis problems : At Ajax Spring Water, a half-liter bottle of soft drink is supposed to contain a mean of 520 ml. The filling process follows a normal distribution with a known process standard deviation of 4 ml.

Explain the reason for the renal failure : A patient with poor renal perfusion is treated with an ACE inhibitor and goes into renal failure. Explain the reason for the renal failure.

User Account

All Pages