Cohort study and case-control study

Assignment Help Basic Statistics
Reference no: EM1394414

Why is cohort studies more expensive than case-control studies? I know one problem is cohort studies often must be followed up for a long period to determine whether the outcome of interest has developed and they are more expense than case-control studies. What other rationale explains why cohort studies are more expensive than case-control studies?

Reference no: EM1394414

Questions Cloud

Explain how to best meet their needs : Mike now provides a written estimate before any work is done, offers a more comprehensive guarantee than competitors also calls consumers after servicing their cars to make sure they are satisfied. These efforts suggest Mike is applying the concep..
Explain accounts receivable turnover : Selected balances from a company's financial statements are shown below. Calculate the following (a) accounts receivable turnover (b) inventory turnover (c) days' sales uncollected
Provide major four groups of causes of cancer : What are the immediate challenges that personalized medicine confronting in our present time? What are your suggestions to solve them? What are the major four groups of causes of cancer?
Geared toward teaching a younger person : Create a Power  Point presentation geared toward teaching a younger person ( age 9-14 ) about Judaism. Your presentation must contain at least 10 slides and include speaker'snotes that describe what you would say if you were actually presenting it ..
Cohort study and case-control study : Why is cohort studies more expensive than case-control studies? I know one problem is cohort studies often must be followed up for a long period to determine whether the outcome of interest has developed and they are more expense than case-control..
Examine influence of the internet on journalism : Examine the influence of the Internet on journalism. Requirement: This essay will be the more comprehensive essay which is either expository (informational) or persuasive.
Illustrate what was the most important thing you learned : Now which you have completed payroll accounting, take a few moments to reflect on illustrates what you have accomplished.
Statement regarding a nonparametric test : Which of the following statements is true regarding a nonparametric test? We assume that the data has been chosen from a normally distributed population
Present a minimum of two leadership studies : Explain upon the effect of personality also intelligence on a leader, including explain how one's personality also level of intelligence impact their leadership success.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Pareto chart on renewable energy

The following table describes the estimated green power sales by renewable energy in 2008: Develop a bar chart, pie chart, and Pareto Chart.

  Revealing sample information

A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.

  Least-squares line prediction for the cost of overrun

If an overrun contract was bid at 12 million dollars, what does the least-squares line predict for the cost of overrun (as a percent of bid price)?

  Computing the correlation coefficient for given data

One of the most important uses of a correlation is its potential use in_________

  Wilcoxon rank-sum test

Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank-sum test, evaluate the significance of the results, assuming there are no ties.

  Alternative hypothesis for one-sample testing

Can you explain to me how the null and alternative hypothesis for one-sample testing differs from two-sample testing; and explain how these two hypothesis' are the same. Please provide a numerical example:

  Effect on forecast values using exponential smoothing

Choice of exponential smoothing constant w has little or no effect on forecast values using exponential smoothing.

  Confidence interval-population proportion registered voters

Compute the 95% confidence interval for the population proportion of registered voters who favor the slow growth initiative.

  Mean weight of boys scouts

In a survey of the 3000 boy scouts in the National Capital Area Council (NCAC), it is found that they have a mean weight of 135 lbs with a standard deviation of 15 lbs. How many of the boy scouts have weights between 120 lbs and 150 lbs.?

  Probability of project completed earlier nineteen days

What is the probability of this project being completed earlier than 19 days?

  Sample-size for population mean

How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?

  Explanation of minitab output for two-way anova

Is there sufficient evidence to support the claim that site has an effect on the amount of pesticide?

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