Regression and correlation-abused tools in research

Assignment Help Basic Statistics

Reference no: EM1398171

Regression and Correlation are two of the most often used and abused tools in research. People are quick to jump to conclusions that if a relationship exists between two variables, then one must cause (causation) the other. There are many reasons why two variables can be related without causality. Please respond to the following:

a. Comparing the amount of money people spend and the amount people save, your analysis revealed an R-squared=0.97. Should you use this for predictive purposes and why?

b. Comparing the number of cops on our streets and the number of reported crimes, your analysis revealed an R-squared=0.40. Should you use this for predictive purposes and why?

c. How could this apply in your profession?

Reference no: EM1398171

Questions Cloud

Difference between intrapulmonary, atmospheric pressure : Describe the relationship between intrapulmonary pressure, atmospheric pressure, and air flow during normal inspiration and expiration, referring to Boyle's law.

Find logical mismatch between predicate and subject : Which sentence has the logical mismatch between predicate and subject? Choose one of options below as your answer: A. Misunderstanding was as he lost directions.

Kruskall wallis test : Sampling area consisted of an area of 120m x 50m within site two and was bordered by a road on one side and a stream on another.

What would dna footprinting reveal : What would DNA footprinting reveal about the DNA binding sites of a normal Lac repressor protein? A normal RNA polymerase.

Regression and correlation-abused tools in research : Regression and Correlation are two of the most often used and abused tools in research. People are quick to jump to conclusions that if a relationship exists between two variables, then one must cause (causation) the other. There are many reasons ..

What are the methods bacteria use to take up foreign dna : what are the methods bacteria use to take up foreign DNA.

What would be the phenotype of the f1 generation : If two F1's are crossed what would be the genotypic ratio of the F2 generation (FFSS: FFSs: FfSS: FfSs: FFss: Ffss: ffSS: ffSs: ffs)?

Estimate the rate of heat loss by breathing : Consider a cold winter day with air temperature of 5C and relative humidity of about 20% (moisture content 0.001g H2O/g dry air). A person waiting at a bus stop inhales at an average rate of 7g dry air/min and exhales air .

Determine the mixed construction in sentence : Does this sentence have the mixed construction? ESL. "A link between conceptual and confessional art can be seen in ability of confession to be so raw and powerful.

User Account

All Pages