Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

On the day that this project was written, AOL conducted an Internet poll and asked users to respond to this question: "Where do you live?" If a user chose to respond, he or she could choose either "urban area" or "rural area." Results included 51,318 responses of "urban area" and 37,888 responses of "rural area."

Explain your answers.

A. Use the given poll results with a 0.01 significance level to test the claim that most people live in urban areas.

B. Which of the following best describes the sample: Confidence, simple random sample, random sample, voluntary response, stratified sample, or cluster sample.

C. Considering the sampling method used, does the hypothesis test from part (A.) appear to be valid?

D. Given that the size of the sample is extremely large, can this sample size compensate for a poor method of sampling?

E. What valid conclusion can be made from the sample results? Based on the sample results, can we conclude anything about the whole population?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9993444

Have any Question?


Related Questions in Statistics and Probability

Consider the binomial distribution where n 11 and p 005

Consider the binomial distribution where n = 11 and p = 0.05. Find the mean and standard deviation of this binomial distribution. The customers at a local appliance store are polled as they leave the store. Each is asked ...

Over the past 100 years the level of government regulation

Over the past 100 years, the level of government regulation of financial institutions and markets has ebbed and flowed or, as some economists might argue, has ebbed and flooded. Although the laws and regulatory agencies ...

For the following two questions please determine the

For the following two questions, please, determine the correct hypothesis test, state the null and research hypotheses in words and in symbols, then conduct the hypothesis test, and report the results in writing. 1. A re ...

A researcher is working on a study that examines the

A researcher is working on a study that examines the wellbeing of older adults. She has an interest in finding if there is a difference in life satisfaction scores (measured on a multi-item Likert scale) by ethnicity (Af ...

A professor records the following final exam scores 68 6 m

A professor records the following final exam scores: 68 6 (M SD). Students scoring in the top 18% get an A. What is the cutoff score for the top 18% in this example?

Is the following an example of a binomial experimentat a

Is the following an example of a binomial experiment? At a campus activities board event, an entertainer gives tickets with sequential numbers to every attendee (i.e. 1, 2, 3, 4, 5... n). Throughout the event, the entert ...

You are working for a large corporation and oversee a

You are working for a large corporation and oversee a marketing research project. For this study, your questionnaire length is 10 minutes and the incidence is 35%, yielding a CPI is $23.00. Your company requires all rese ...

Assume that the significance level is alpha equals alpha005

Assume that the significance level is alpha equals α=0.05. Use the given statement and find the? P-value and critical? value(s). The test statistic of z equals = -1.53 is obtained when testing the claim that p= 1/6 P-val ...

Explain how the company newmans own brand fulfills the

Explain how the company Newman's Own brand fulfills the definition of a business for profit and a non-profit business at the same time. Consider in the response the functions of business, entrepreneurship and production ...

If we are interested in job satisfactionname a variable

If we are interested in job satisfaction. Name a variable that correlates with job satisfaction but we do not have causation. Name a variable that you believe may have a casual relationship with job satisfaction. Name a ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As