Determine p-value and conclude mean fare has increased

Reference no: EM13110419

In the year 2006 the mean fare to fly from Charlotte, North Carolina, to Seattle, Washington, on discount ticket was $267. Random sample of round-trip discount fares on this route last month gives:

$321 $286 $290 $330 $310 $250 $270 $280 $299 $265 $291 $275 $28

At .01 significance level can we conclude that mean fare has increased? Determine the p-value?

Reference no: EM13110419

Questions Cloud

Determining rising costs : Faced with rising FAX costs, a firm issued a guideline that transmissions of 10 or more should bw sent by 2-day mail instead. Wxceptions are allowed, but they want the average to be 10 or below.

Hypothesis testing-mean and proportion : Does Lavastatin reduce the risk of heart attack? In a Texas Study, researchers gave Lovastatin to 2,325 people, and a inactive substitute to 2,081 people, with an average age of 58. After 5 years, 57 of the lovastatin group suffered a heart attack..

Omars marginal utility : How big will that budget have to be before he would spend a $1 buying a first cup of coffee and omar has a budget that he can spend only on donuts.

Estimate the server service rate per hour : Consider a single-line, single-server waiting line system. Suppose that there is only physical space for 2 units in the system (one in line and one being served).

Determine p-value and conclude mean fare has increased : Random sample of round-trip discount fares on this route last month gives: At .01 significance level can we conclude that mean fare has increased? Determine the p-value?

Hypothesis testing for nicotine in cigarettes : Nicotine in cigarettes. To determine whether the mean nicotine content of a brand of cigarettes is greater than the advertised value of 1.4 milligrams, a health advocacy group tests

Determine the average utilization : During the course of a day, employee Jennifer Anniestown (an accountant) constantly opens and updates her Facebook account on her iPad, checks on her lottery ticket numbers.

What is the equilibrium level of real gdp : What is the saving function? What is the marginal propensity to save and what is the aggregate expenditure function? What is autonomous expenditure? What is the marginal propensity to withdraw?

Give confidence interval for average waiting time : A standard deviation of 8 minutes before they could see doctor. Give the 99% confidence interval for average waiting time for all of patients who visit doctor.

User Account

All Pages