Compare the effectiveness of the allergy medications

Assignment Help Basic Statistics
Reference no: EM131725900

Question: In each situation, indicate whether you think an observational study or a randomized experiment would be used. Explain why in each case.

a. A teacher wants to compare the grade point averages of female students who are in sororities to the grade point averages of female students who are not in sororities.

b. A doctor wants to compare the effectiveness of two allergy medications.

c. A social psychologist wants to determine whether restaurant servers will get better tips if they introduce themselves by name to the people they serve.

d. A child psychologist wants to find out whether there is an association between the amount of television 6-year-old children watch and how often they bully other children in school.

Reference no: EM131725900

Questions Cloud

Describe reasons for blocking and for randomization : Students are sometimes confused by the reasons for blocking and for randomization. One method is used to control known sources of variability.
Acts of cyberwar or cyberterrorism : In regard to acts of cyberwar or cyberterrorism, should the private sector be more open in sharing information with government agencies?
Student income based payment : The former student contacts the student loan servicer for an income based payment plan. The former student's income based payment equals $100 per month.
Enhancing workplace satisfaction and productivity : Among the various approaches to enhancing workplace satisfaction and productivity discussed in the chapter, which one might you take under the circumstances.
Compare the effectiveness of the allergy medications : A teacher wants to compare the grade point averages of female students who are in sororities to the grade point averages of female students.
How would you calculate and interpret measure of association : Provide a 1-3 paragraph interpretation of results. Design a 2x2 table of a case control study. How would you calculate and interpret the measure of association?
Loan with no special financing charge : For the next, option you can get a 5% loan with no special financing charge having a APR of 5%.
General motor key strategic problem : What are some of the General Motor key strategic problem, recommendations for rectifying the problem, course of action and detailed implementation
Minimum expected net sale price : If you buy the $3.60 March 2018 corn put, what is your Minimum Expected Net Sale Price for 5,000 bu. of corn to be delivered on March 1, 2018?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Period that build and grow throughout the century

What was the aftermath of the "Great War" in Europe and the world at large? What 20th century trends do we see starting during this period that build and grow throughout the century?

  Find the 99% confidence interval of the mean math test score

A sample of the math test scores of 35 fourth-graders has a mean of 82 with a standard deviation of 15.

  Conclude that methods differ in terms of average return

Two methods for training accountants are to be compared. Students are randomly assigned to one of the two methods.- Using Welch's test, would you conclude that the methods differ in terms of the average return? Use α = .05.

  Nonparametric test hypothesis

Here is my data: these are the wages for women with a 2 yr degree, $11,702, $24,509, $34,746, $35,185 (median of $29,627) These are the wages for women with a 4 yr.

  Probability-person selected is female who atteng college

A management trainee is selected at random. What is the probability that the person selected is a female who did not attend college?

  Probability of sample or average medians

Calculate the probability that the median of the sample or average medians is:

  Europeans are increasingly upset at their leaders for

europeans are increasingly upset at their leaders for making deep budget cuts to many social programs that are becoming

  Two automatic dispensing machines are being considered for

question two automatic dispensing machines are being considered for use in a fast-food chain. the first dispenses an

  When calculating a sample size for a hypothesis test with

when calculating a sample size for a hypothesis test with the altenative hypothesis being ha micro1?micro2a use table

  Explain of conclusions of two means-independent samples

The financial aid office of a university asks a sample of students about their employment and earnings. The report says that "for academic year earnings, a significant difference (p = 0.038) was found between the sexes, with men earning more on th..

  The average length of a new born baby is 20 inches with a

the average length of a new born baby is 20 inches with a standard deviation of 1 inch.if n100 what is the mean of the

  Inference about population proportion

Spinning a coin, unlike tossing it, may not give heads and tails equal probabilities. I spun a penny 200 times and got 83 heads. How significant is this evidence against equal probabilities?

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