What are the explanatory and response variables

Assignment Help Basic Statistics
Reference no: EM131726029

Question: Find an example of a randomized experiment in the news. Answer the following questions about it. Be sure to include the news article with your response.

a. What are the explanatory and response variables? What relationship was found, if any?

b. What treatments were assigned? Was a control group or placebo used?

c. Was the study a matched-pair design, a block design, or neither? Explain.

d. Was the study single-blind, double-blind, or neither? Explain.

Reference no: EM131726029

Questions Cloud

What is the statistic for test : A random sample of University students found 31 with brown eyes. We test
Examine restrictions placed on freedom during world war i : Examine the restriction placed on freedom during World War I. Analyze Debs' piece in Voices of Freedom, Committee on Public Information and coercive patriotism.
Review problem-a placebo and a double-blind procedure : Is it possible for each of the following to be used in the same study (on the same units)? Explain or give an example of such a study.
Compute the value of nsm as of january : Using the residual income valuation model, compute the value of NSM as of January 1, 2017. What advice would you provide to HES regarding the ownership of NSM
What are the explanatory and response variables : Find an example of a randomized experiment in the news. Answer the following questions about it. Be sure to include the news article with your response.
Discuss about the high and low context communication : High and low context communication is a style of communication that caters to people in groups that have similar experiences and expectations.
How did the march led by martin luther king jr embrace : How did the march led by Martin Luther King Jr. embrace not only the victories of the 1950s and early 1960s, but also show promise for the future?
Discuss the deterrent effect of the death penalty : Choose a current crime policy and discuss whether or not the policy makes sense. Is the policy nonsensical? How so?
Discuss what you foresee as the work that will need to be do : discuss what you foresee as the work that will need to be done to secure freedom and liberty to the ex-slaves. Is emancipation enough? Why or why not?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Perform hypothesis test to find evidence to support claim

Convincing evidence to support the claim that fewer than half of adult Americans can name at least one justice currently serving on the Supreme Court.

  Bound on the error of estimation

The sample mean of the accounts is found to be y-bar = $94.22, and the sample variance is equal to $455.21. Estimate mu and place a bound on the error of estimation.

  Find probability that tested chicken was not contaminated

Is contamination with the two kinds of bacteria disjoint? Explain. (c) Is contamination with the two kinds of bacteria independent? Explain.

  Question on decision analysis

Develop the opportunitiy loss table and compute the expected opportunity loss for each product. Determine how much the firm would be willing to pay to a market research firm to gain better information about future market conditions.

  Find 95 percent confidence interval for population mean

A 95% confidence interval for  µ   is found to be 652 ± 21.56 = ($630.44, $673.56). Determine which of the following statements is true.

  A manufacturer of clothing knows that the probability of

a manufacturer of clothing knows that the probability of snap flaws is 0.005. an inspector examines 50 shirts in an

  Lean body mass and resting metabolic rate

Problem: Do heavier people burn more energy? We have data on the lean body mass and resting metabolic rate for 12 women who are subjects in a study of dieting. Lean body mass, given in kilograms, is a person's weight leaving out all fat. Metabolic..

  If the correlation between two variables is known to be

if the correlation between two variables is known to be statistically significant at the 0.05 level then the regression

  Explain how reserves will be affecte for whole life policies

Suppose that a mortality table used to calculate reserves is altered. Explain how the reserves will be affected, for whole life policies with a constant death benefit and level premiums.

  Three people are randomly selected from voter registration

three people are randomly selected from voter registration to report for jury duty. the gendermale or female of each

  What is the probability that a randomly chosen man will

a screeding test which measures the level of a prostate specic antigen psa is a commonly used tool for the detection of

  Predict the outcome of flipping a coin

A person claims to be able to predict the outcome of flipping a coin. This person is correct 16/25 times. Compute the 95% confidence interval on the proportion of times this person can predict coin flips correctly.

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