Population standard deviation for life expectancy

Reference no: EM1397729

Appliance Magazine provided estimates of the life expectancy of household appliances. A simple random sample of 10 VCRs show the following useful life in years.

6.5 8.0 6.2 7.4 7.0 8.4 9.5 4.6 5.0 7.4

a. Develop a point estimate of the population mean life expectancy for VCRs.

b. Develop a point of the population standard deviation for life expectancy of VCRs.

Reference no: EM1397729

Questions Cloud

Standard error of the mean as the sample size : Compute the standard error of the mean O(funny o with line) line over x, for sample sizes of 50, 100, 15o, and 200. What can you say about the size of the standard error of the mean as the sample size is increased?

What are some of the sites of coronary occlusion : How can you explain the fact that a patient who has cardiac ischemia as indicated by angina pectoris, and who survives a cardiac infarction, may be relieved of his pain afterwards?

Finding the original mutation : A biologist was testing E. coli for thymidine requirement. She found a thy- point mutant and wanted to study reversion to thy+. She grew 20 cultures of the thy- mutant strain and plated them onto 20 plates that contained media

Which type of cells is not known extensively developed ser : Which type of cells below is not known for its extensively developed SER?

Population standard deviation for life expectancy : Develop a point of the population standard deviation for life expectancy of VCRs.

Neuro clinical questions : If the spinal lemniscus is cut on the right side of the medulla, what would be the clinical outcome?

What are some vital organs that are supplied by end-arteries : To what extent does the statement that the right coronary artery supplies the right heart, and the left coronary artery the left heart, require qualification?

Osmolarity of plasma : A new Nurse intern has been working non-stop for 15 hrs in the ER. A patient was showing serious signs of dehydration. The Nurse took action without checking with the attending physician and administered 1 liter of sterile distilled water intravenous..

What are the particles that is being inherited : In the Law of Particulate Inheritance, what are the particles that is being inherited.

User Account

All Pages