Write a general research question- what are you interested in examining/studying?

: I’m working on a statistics multi-part question and need an explanation and answer to help me learn.

1) Create a simple study:

  • Write a general research question- what are you interested in examining/studying?
  • Use a couple of sentences to create a simple study
  • What are your IV and DV?
  • Write a research hypothesis for this study
  • Write a null hypothesis for this study
  • Set the decision criteria using a two tailed test at alpha set to .05. What decision would you make if you have a p = .02? Was the study statistically significant (that is, did your IV have a significant impact on the DV)

* please make sure to answer every part of the question above for full credit

* There is no need to make up numbers.

2) Sample mean is 48, population mean is 45, and standard deviation is 3:

  • What is Cohen’s D, and is this a small, medium, or large effect?

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