Give an example of confusing a correlation with causality

Assignment Help Basic Statistics
Reference no: EM131869927

1. Give an example of confusing a correlation with causality.

2. Name and give examples of two types of 'apparent replication'.

3. A researcher did a well-controlled and appropriately replicated experiment and was very surprised indeed when one of their colleagues said 'The design is fine but the experiment is unrealistic so the results and your conclusion have little or no biological significance.' What did the researcher's colleague mean?

Reference no: EM131869927

Questions Cloud

Compute leverage ratio at target : If a new Target income of $120,000 is to be achieved, what # of units must be sold. Compute Leverage ratio at Target.
What is yield to maturity yield to call and current yield : what is the yield to maturity the yield to call and current yield.
Provide information on nutritional content : Provide information on the nutritional content (in grams per serving) of some leading breakfast cereals.
How the executive might address the given issues : Provide possible solutions of how the executive might address these issues in order for their firm to maintain a competitive advantage.
Give an example of confusing a correlation with causality : 1. Give an example of confusing a correlation with causality. 2. Name and give examples of two types of 'apparent replication'.
Why do you feel the given failure occurred : Why do you feel this failure occurred? (Use an organization you know well). Initial response to the discussion questions must be 250-350 words in length.
Identify the concept of operating leverage : For Part 3 of your course project, you will identify the actions of the firms in your portfolios in relation to the overhead expenses that were addressed.
Recommend two other practices which could be employed : Recommend at least two other practices which could be employed to encourage ethical behavior of TSA employees. Justify your response.
JQH returns are normally distributed : Assume that JQH’s returns are normally distributed. What is the probability of a return below 15%?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the expected value of given estimate

Suppose the variance of an IID sequence of random variables is formed according to. -Where µ  is the sample mean. Find the expected value of this estimate and show that it is biased.

  Provides proportional plus integral control

A unity negative feedback control system in a manufacturing system has a process transfer function

  Formula sheet and basic calculator functions

For a particular plant hybrid, the flowers of any given plant have a 75% chance of being red. (a) What is the probability that in 8 plants, exactly 6 have red flowers? Use your formula sheet and basic calculator functions only.

  A waiting system with a single server and finite capacity

We consider a waiting system with a single server and finite capacity c = 3, in which the customers arrive according to a Poisson process with rate λ and the service times are independent exponential random variables with parameter μ = 2λ.

  How to set up the anova table

Random samples of 25 observations were selected from each of 3 populations. For these data, SSTR= 120 and SSE = 216.

  A company manufactures 13 types of cars prior to full-scale

a company manufactures 13 types of cars. prior to full-scale production 4 of each type are made and a sample of 5 cars

  Normally distributed random variable

Let X be a normally distributed random variable with µ = 100 and s = 10. Find the probability that X is between 70 and 110.

  Calculate the coefficient of correlation

Calculate the coefficient of correlation - Find the correlation coefficient and regression lines for the data.

  Determine the magnitudes of the total brake

The winch cable on a tow truck is subjected to a force of when the cable is directed at. Determine the magnitudes of the total brake frictional force F for the rear set of wheels B and the total normal forces at both front wheels A and both rear w..

  Variable of interest and the unit of measurement

Identify the variable of interest and the unit of measurement and what proportion of reaction times are less than 2.00 seconds?

  Fitting of simple linear regression equation

Fitting of simple linear regression equation - A researcher wishes to determine whether a person's age is related to the number of hours he or she jogs per week.

  You calcuate the chi-square test statistic in a test of

you calcuate the chi-square test statistic in a test of independence and determined that xsup2 -4.23 with 10 degrees

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