Identify the independent variable and its levels

Assignment Help Basic Statistics
Reference no: EM131384157

For each experiment that follows, identify the independent variable and its levels. Identify the dependent variable. State the null hypothesis in words.

a. A psychologist compared the annual income of people with high Satisfaction With Life Scale scores to the income of those with low SWLS scores.

b. A sociologist compared the numbers of years served in prison by those convicted of robbery and those convicted of embezzlement.

c. A physical therapist measured flexibility after 1 week of treatment and again after 6 weeks of treatment for 40 patients.

Reference no: EM131384157

Questions Cloud

Use table a to determine if it is statistically significant : The X variable is time and the Y variable is examination grade. Calculate r. Use Table A to determine if it is statistically significant.
Identify economic trends of the health care payment system : Create a matrix in which you:Identify at least 3 economic trends of the health care payment system.Identify ethics and compliance issues associated with those trends. Cite 3 peer-reviewed, scholarly, or similar references to support your chosen trend..
Write a conclusion about snickers bars : Test the company's advertised claim that the net weight of a bar is 58.7 grams by performing a t test on the following data, which are in grams. Find d. Write a conclusion about Snickers bars.
How invasive species reach new habitats : Perform an internet search for the following videos:"Invasive species spreading across America"."Introduced Species and Biodiversity".Consider and discuss the following questions:How invasive species reach new habitats?What are some ecological, econo..
Identify the independent variable and its levels : Identify the independent variable and its levels. Identify the dependent variable. State the null hypothesis in words.
Key management and financial issues of airasia : This paper provides in-depth analysis of the key management, operational issues & financial issues of AirAsia. AirAsia was founded in 1993 and started functioning in 1996. It was a turbulent start for the AirAsia which had heavy financial losses as i..
What is the purpose of an experiment : In your own words, outline the logic of NHST for a two-group experiment.- What is the purpose of an experiment, according to your textbook?
Whats the manufacturing process moulding : What'sHow exactly is Urea Formaldehyde turned into products such as electrical plugs and fittings? Whats the manufacturing process, moulding?
Identify the independent variable and its levels : Identify each of the following as an independent-samples design or a paired-samples design. For each, identify the independent variable and its levels and the dependent variable.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Is there significant evidence that the labeling on the

nutritional information on a packaged food product shows that the product contains 100 calories. a random sample of

  Evidence that the percentage of students with laptop

A college is considering making the purchase of a laptop computer a requirement for some of its programs. In the past, only 20% of students owned laptop computers. A random sample of 300 students revealed that 77 of them had laptop computers

  Suppose an investment is normally distributed with mean 10

question 1 explain and describea the difference between population mean and sample mean.b the concept of estimation

  Description of z test for proportion

The producer of a TV special expected about 40 percent of the viewing audience to watch a rerun of a 1965 Beatles Concert. A sample of 200 homes revealed 60 to be watching the concert.

  Compute confidence level for difference in means

Compute a 95% confidence level for the difference in the means of the two treatment methods and select the best answer below. Assume that the independent random samples were taken from normal distribution.

  In a certain state license plates have three letters

question in a certain state license plates have three letters followed by three digits. there can be no repetition of

  Distribution of spending amounts with standard deviation

A consumer survey indicates that the average household spends m=$155 on groceries each week. The distribution of spending amounts is normal with a standard deviation of o=$25. Based on this distribution

  Find the marginal cdfs under the restrictions found

Find any restrictions on the constants ,a , b ,and needed for this to be a valid joint CDF. - Find the marginal CDFs FX(Y ) and  FY(Y )under the restrictions found in part (a).

  An electrical firm manufactures a 100-watt light bulb which

an electrical firm manufactures a 100-watt light bulb which according to specifications written on the package has a

  What is correct decision for the hypothesis test of slope

What is the lower bound of the 95% CI of the temperature slope for the linear regression predicting average crawling age? Round your answer to three decimal places.

  Derive binomial probability using sample-point approach

Before giving the denition of the binomial probability distribution, try to derive it by using the sample-point approach. How?

  Amounts of hydrocarbon emissions resulting from road wear

The following observations are amounts of hydrocarbon emissions resulting from road wear of bias-belted tires under a 522 kg load inflated at 228 kPa and driven at 64 km/hr for 6 hours ("Characterization of Tire Emissions Using an Indoor Test Fac..

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