Compare the nicotine content of two different brand

Assignment Help Basic Statistics
Reference no: EM13253150

The Oregon health & science university's news website gives information on a study that found that some commercial cigarette brands contain 10 to 20 times higher percentages of nicotine in the "free-base" form, that is, the form thought to be the most addictive. Consider another study designed to compare the nicotine content of two different brands of cigarettes. The nicotine content was determined for 25 cigarette of brand A and 25 cigarettes of brand B. the sum of ranks for brand A equals 688, and the sum of ranks for brand B equals 587. Use the Mann-Whitney U statistic to test the null hypothesis that the average nicotine content is the same for the two brands versus that alternative that the average nicotine content differs. Use α= 0.01

Reference no: EM13253150

Questions Cloud

Compare and contrast a positive and a negative externality : In your words, compare and contrast a positive and a negative externality. Be sure to provide an example for each. How does a positive or negative externality
Find the distance the sled moves before coming to rest : On a frozen pond, a 11.3 kg sled is given a kick that imparts to it an initial speed of v0 = 1.69 m/s. Use the work kinetic energy theorem to find the distance the sled moves before coming to rest
What are the differences among horizontal, vertical : What are the differences among horizontal, vertical, and conglomerate mergers? What does the U.S. government hope to achieve through the use of its antitrust policy
Differentiation strategies vary in degree of effectiveness : Differentiation strategies vary in degree of effectiveness from one type of market structure to another. For firms other than perfect competition
Compare the nicotine content of two different brand : The Oregon health & science university's news website gives information on a study that found that some commercial cigarette brands contain 10 to 20 times higher percentages of nicotine in the "free-base" form, that is, the form thought to be ..
Prepare journal entries for the selected transactions : Prepare journal entries for the following selected transactions related to this company's stock during the current year:
Determine the elastic potential energy of the system : A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system when the 3.2-kg block is replaced by a 4.1-kg block
Determine the allowable depreciation for each year : you purchases a new office building in May for 5.7 M, determine the allowable depreciation for each year. (Note: This asset is non-residential real property.)
What is the speed of the resulting ball of clay : A 40g ball of clay traveling east at 2.0m/s collides and sticks together with a 60g ball of clay traveling north at 1.0m/s

Reviews

Write a Review

Basic Statistics Questions & Answers

  Political decisions and national mean

Which measure of family wealth is most important, when making political decisions, the national mean, median or mode?

  Control charts for attributes-p chart

Construct an appropriate control chart and comment on the process.

  Combination of items producing the maximum profit

List all corner points and determine which combination of items will produce the maximum profit.

  Business example for null-alternative hypothesis

You're trying to explain null and alternative hypotheses to one of the senior managers at Company W and he's not "getting it" when you use snack food sales.

  Average electric bill for residents

State the null and alternative hypothesis if the average electric bill for residents of White Pine Estates exceeds $52.98 per month.

  Explain what is wrong when statistician survey voters

Next morning, he came to work at 8:00 and began to make calls. By 11:00 a.m., his survey was done. Don't discuss what is not said. Discuss what is wrong with what is said.

  Probability all watch television more than seven hours a day

Random sample of five North American adult is more than 7 hours a day? What is the probability that in random sample of 5 north American adults, all watch television more than 7 hours a day?

  Is chance variation a good defense

There is pretty good chance average number of days absent would be 12 or more. That is what occurred to us - chance variation." Is this good defense? Justify the answer.

  Decision regarding the null hypothesis

Make a decision regarding the null hypothesis based on the sample information. Interpret the results of the test and state your conclusion.

  Is there difference in proportion of viewers seeing channels

33 on WSPD (channel 13). At the .05 significance level, is there a difference in the proportion of viewers watching the three channels?

  Clearest diffrence between the two samples

Which of the following sets of data provides the clearest diffrence between the two samples?

  Appropriate test at a level of significance

The buyer-believes that the differences are normally distributed and will use this sample to perform an appropriate test at a level of significance of 0.01.

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