Find average size of farms in two counties in pennsylvania

Reference no: EM13204112

A researcher wanted to determine if the average size of farms in two counties in Pennsylvania were different. He samples 8 farms in Indiana County and determines the average size of a farm is 191 acres with a standard deviation of 38 acres. He then samples 10 farms in Greene County and determines the average size of a farm is 199 acres with a standard deviation of 12 acres. A hypothesis test was conducted at the 5% level of significance.

Reference no: EM13204112

Questions Cloud

How does a current account deficit benefit u.s. citizens : What is a current account deficit? Specifically, what does it mean that the U.S. isrunning a current account deficit? How does a current account deficit benefit U.S. citizens? Howdoes a current account deficit hurt U.S. citizens?

Explain favor stricter gun control legislation is pw : Suppose the proportion of women who favor stricter gun control legislation is pw and the proportion of men who favor stricter gun control legislation is pm. The survey found a 90% confidence interval for pw-pm IS (-.08,.22). Give an interpretation..

What fraction of the production will be unacceptable : A machine operation produces bearings whose diameters are normally distributed, with a mean of .498and a standard deviation of .002. If specifications require that the bearing diameter be .500 inch +- .004 inch, what fraction of the production wil..

Define initial upwards velocity in feet per second : When a ball is thrown, its height in feet h after t seconds is given by the equation, h=vt-16t^2 where v is the initial upwards velocity in feet per second. If v=37 feet per second

Find average size of farms in two counties in pennsylvania : A researcher wanted to determine if the average size of farms in two counties in Pennsylvania were different. He samples 8 farms in Indiana County and determines the average size of a farm is 191 acres with a standard deviation of 38 acres.

Find the probability that a particular san fran : A Study of pharmacies in the San Fran. area found the prices charged for 100 tablets of medicine to be approx. normally distributed, with a mean price of $8.50 and a standard deviation of $2. Find the probability that a particular San Fran.

Discuss the development of exchange traded funds : Discuss the development of exchange traded funds (ETFs) in the United States. How do these ETFs differ from conventional equity mutual funds? Please discuss what is meant by the Sharpe Ratio, the Treynor Ratio, theSortino Ratios, and Jensen'..

What is the fraction who earn less than annual salary : Pay scales of federal government employees are determined according to each employee's government serve (GS) rating. GS-10 experienced accountants with the Government Accounting Office (GAO) were reported to earn salaries that are approximately no..

What proportion of gs-10 accountants with the gao : Pay scales of federal government employees are determined according to each employee's government serve (GS) rating. GS-10 experienced accountants with the Government Accounting Office (GAO) were reported to earn salaries that are approximately no..

User Account

All Pages