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1. Calculate the sample size needed given these factors: one-tailed t-test with two independent groups of equal size small effect size (see Piasta, S.B., & Justice, L.M., 2010) alpha =.05 beta = .2 Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute alpha and beta for a sample half the size. Indicate the resulting alpha and beta. Present an argument that your study is worth doing with the smaller sample.
1 let x1 be a random variable with probability function given in the table belownbsp nbsp nbsp nbsp nbsp nbsp nbspnbsp
jane wants to setup a photo shop. the cost to rent an office is 150 per week. the variable cost of making one photo is
Write a sentence demonstrating how a research report would present the results of the hypothesis test and the measure of effect size and determine whether there are any significant differences among the three treatment means.
What is the name of the counting rule used to find all the possible outcomes and how many different items can be uniquely numbered?
Evaluate the value of beta for each stock. Which of these stocks would you expect to perform best in an up market? Which would you expect to hold their value best in a down market?
EIHP Assessment 2 – Interpreting Basic Statistical Data, Article: Ramirez, G. & Beilock, S.L. (2011). Writing about testing worries boosts exam performance in the classroom. Science, 331. 211-213. This article is page 74-77 of your handbook.
What is the probability of winning a prize in an office sweep
Generate syntax and output files in SPSS. You will need to copy and paste these into your Application document. Use one kind of chart (any kind) to describe the data
1. an art professor was interested in seeing what size group is best to prime the pump so to speak to encourage
What was the total number of participants surveyed for the study and what was the total number of participants who completed the entire survey?
Are they weak or strong correlations - what is the significance value and what does the significance value reveal about the data we have used?
a new program is developed to enrich thekindergarteneperience of children in prepararion doe first grade. hillmont
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