P-value and price of gasoline

Assignment Help Basic Statistics
Reference no: EM13111631

NBC TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is $1.50 per gallon for self-serve regular unleaded. A random sample of 35 stations in the Milwaukee, WI, area revealed that the mean price was $1.52 per gallon and that the standard deviation was $0.05 per gallon. At the .05 significance level, can we conclude that the price of gasoline is higher in the Milwaukee area? Calculate the p-value and interpret.

Reference no: EM13111631

Questions Cloud

Converting z intervals to x intervals : What is given is the mean=27.2 kilograms and standard deviation=4.3 kilograms. I attempted to work out a which I know is wrong but this is what I did.
How does the pancreas regulate the metabolism of glucose : How does the pancreas regulate the metabolism of glucose.
Write lewis structures for reactants : Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps.
Which of the following are a result of muscle contraction : Which of the following is/are a result of muscle contraction.
P-value and price of gasoline : NBC TV news, in a segment on the price of gasoline, reported last evening that the mean price nationwide is $1.50 per gallon for self-serve regular unleaded.
What events occur during contraction skeletal muscle fiber : What events occur during contraction of skeletal muscle fibers?
Z-cutoff values for the rejection region : A company is filling bags of rock salt to a level of 50 pounds. It believes that all bags are filled correctly, but would like to use a hypothesis test with an alpha of 0.05 to check this belief.
Which of the following is a result of muscle contraction : Which of the following is a result of muscle contraction?
What appendages of the skin play a role in thermoregulation : What appendages of the skin play a role in thermoregulation?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Drawing column chart and pie chart for grade book

Draw a column chart from grade book.  Use column illustrating students' names; select one of the tests to plot.

  Data and correlation matrix

The management of a regional bus line thought its cost of gas might be correlated with its passenger/mile ratio. Comment on the data and correlation matrix below.

  Getting a sample mean

The average cost of a one bedroom apartment in a town is $550 per month. What is the probability of randomly selecting a sample of 50 one bedroom apartments in this town and getting a sample mean of less then $530 if the population standard deviat..

  Binomial approximation to normal finding the normal model

Utlizing binomial approximation to normal finding the normal model. A grower claims that only 13 percent of the strawberries he grows are unsatisfactory.

  Confidence maximum error of estimate-confidence interval

A machine produces parts with lengths that are normally distributed with ? = 0.59. A sample of 19 parts has a mean length of 76.26.

  Hypothesis testing of mean-tar content in cigarettes

The mean tar content of a simple random sample of 25 unfiltered king size cigarettes is 21.1 mg, with a standard deviation of 3.2 mg.

  Chi square test for birth data

Births. Randomly selected births records were obtained and results are listed in the table below (based on data from the National Vital statistics Report,

  Determining probability that 3 roll are defected

Determine the probability of having more than 3 defects in a roll?

  Determine confidence interval of true mean

The union for a particular industry has determined that the standard deviation of the daily wages of its workers is $20.. A random sample of 100 workers in this industry has a mean daily wage of $116.

  Comparing bmi of miss america winners

Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Use the p-value method for testing hypotheses.

  Hypothesis testing using critical value and p-value

What happens to the boundaries for the critical regions?

  Use single proportion testing, the p value method

The study does not give sufficient evidence to support the claim that less than 75% of college students spend less than $250 per semester on textbooks.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd