What can we conclude at the level from test statistic

Assignment Help Basic Statistics
Reference no: EM13157358

A preliminary study of hourly wages paid to unskilled employees in three metropolitan areas was conducted. Seven employees were included from Area A, 9 from Area B and 12 from Area C. The test statistic was computed to be 4.91. What can we conclude at the 0.05 level?

Reference no: EM13157358

Questions Cloud

Barra is appearing before the house energy : Barra is appearing before the House Energy and Commerce Committee. She apologized for the 13 deaths that GM says were caused by a faulty ignition switch, as well as for the 10 year delay between the time the problem was first discovered
How much naoh is needed each day : NaOH + CO2 - >Na2CO3 + H2O. If the average human body discharges 716 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft? Answer in units of mol.
What should be the price of the policy : the probability of damage between $10,000 and $25,000 to be.12 If the company wants to make a profit of $200 above the expected cots, what should be the price of the policy?
What is the journal entry needed to record the payment : On March 17, Grady Company agrees to accept a 60-day, 9%, $7,200 note from Alert Company to extend the due date on an overdue account. What is the journal entry needed to record the payment of the note by Alert Company on the maturity date?
What can we conclude at the level from test statistic : Seven employees were included from Area A, 9 from Area B and 12 from Area C. The test statistic was computed to be 4.91. What can we conclude at the 0.05 level?
Explain ways in which the body metabolism adapts : Explain ways in which the body's metabolism adapts to conditions of fasting/starvation and How do these adaptations affect the rate of weight loss when dieting?
Calculate the number of moles of an ideal gas : Calculate the number of moles of an ideal gas in a 250. mL sealed container that has a pressure of 788 torr and a temperature of 72.1 degrees F.
Explain why might normality be an issue : Construct a 95 percent confidence interval for the true mean. (b) Why might normality be an issue here? (c) What sample size would be needed to obtain an error of ±10 square millimeters.
What is marginal revenue equal : A firm†TM s demand function is defined as Q = 30 - 2P. a) Use this demand function to calculate total revenue when price is equal to 10 and when price is equal to 11. b) What is marginal revenue equal to between P=10 and P=11?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Mutually exclusive outcomes of the surgery

The only possible, mutually exclusive outcomes of the surgery are death, relief of symptoms, (angina, dyspnea), or continuation of symptoms. The probability of death is 0.02 and the relief of symptoms is 0.80. What is the probability that the pati..

  True difference confidence if range of all data is six years

One month of the true difference and with 95% confidence if the range of all the data is 6 years? Use the appropriate tables in your book.

  What a histogram of sample means represents

Now imagine repeating the survey many, many times, each time recording a different sample mean commute distance. In the long run, a histogram of these sample means represents?

  What is the possibility the light bulb burns

The lifetime of a light bulb is an Exponential RV with a mean of 800 hours. Let L represent the time (in hours) that one randomly selected light bulb will burn. What is the possibility the light bulb burns for more than 1000 hours.

  Mcq on critical value

You want to determine if your widgets from machine 1 are the same as machine 2. Machine 1 has a sample mean of 50 and a population standard deviation of 5 and a sample size of 25.

  Multiple choice questions based on descriptive

Assume that you have a binomial experiment with p = 0.5 and a sample size of 100. The expected value of this distribution is.

  Graph with a regression line

You have a graph with a regression line that is positively sloped. The regression line starts with observation points tightly packed around the regression line but as you move across the x-axis the observations tend to get further and further away..

  Describe event that call arrives within fifteen minutes

A telephone call from a certain person is received some time between 7:00 A.M. and 9:10 A.M. every day. Define a sample space for this phenomenon, and describe the event that the call arrives within 15 minutes of the hour.

  Pearson coefficient-chi-square designs

What types of variables are measured using Pearson coefficient, and what types variables are measured with chi square; I am looking for names of variables (e.g., nominal, interval)?

  Find probability that the toll collector will have to wait

Cars arrive at a toll booth at a mean rate of five cars every 10 minutes according to a Poisson process. Find the probability that the toll collector will have to wait longer than 26.30 minutes before collecting the eighth toll.

  Introduction to running a chi-squared test

You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?

  Developing a histogram from data

The data below are the numbers of hours of homework done as reported by 24 high school juniors for the last week in September 2006.

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