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Question 1
1. Calculate the sample size needed given these factors:
Question 2
Calculate the sample size needed given these factors:
Question 3:
In a few sentences, describe two designs that can address your research question. The designs must involve two different statistical analyses. For each design, specify and justify each of the four factors and calculate the estimated sample size you'll need. Give reasons for any parameters you need to specify for G*Power.
That 95% of all daily sales fell between $19,200 and $36,400. Based on this information what were the mean sales? What was the standard deviation?
list some of the risks in using samples to make inferences about populations from which the samples were drawn. what
Assume we have a population of scores with mean (mu) of 200 and standard deviation (sigma) of 10. Assume that the distribution is normal. Provide answers to the following questions:
Suppose you are one of n students in a class. a) What is the chance that at least one other student has the same birthday as yours?
What about Versailles was important to Louis XIV? What was important about Versailles location?
Briefly describe your area of research interest. Create one alternate hypothesis and its associated null hypothesis related to your research area.
We have looked at situations in which we need to determine the number of possible routes between two places.
A second experiment on the lens coating discussed in Problem 1 was run to study the effects of both the pH level and the catalyst level on the adhesion. Three levels of pH were studied along with two levels of catalyst. Five mea surements were ta..
In a Little League baseball game, team A s pitcher throws a strike 50% of the time and a ball 50% of the time, successive pitches are independent of one another, and the pitcher never hits a batter. Knowing this, team B s manager has instructed th..
If a patient from a study of 1000 people, who are equally divided into two groups (those taking a placebo and those taking Prozac), is experiencing nausea, what is the probability that he/she is taking Prozac?
1. Let Yi and Yn be, respectively, the first and nth order statistics of a random sample of size n from a distribution of the continuous type having distribution function }{x). Find the smallest value of n such that Pr [}{Yn) - F(..
Formulate and test the appropriate hypotheses at a 2% level of significance. Use the critics, value approach
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