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Questions
In a regression analysis, a nurse researcher found a correlation of .82 between pain relief scores and satisfaction with nursing care. She also calculated the following for her regression analysis:
Pain Relief (x): Mean = 58 sd = 3.9
Satisfaction (y): Mean = 42 sd = 4.4
slope = 1.56
y intercept = - 3.53
1. What will be the predicted satisfaction score (expressed as a point estimate) for a patient with a pain relief score of 62?
2. What is the standard error of estimate when predicting satisfaction from knowledge of pain relief score?
3. What would be the interval estimate for satisfaction for the patient in problem 16?
A and B throw with one dice for a prize of Rs.11 which is to be won by a player who first throws 6. If A has the first throw, what are their respective expectations?
In a mathematics examination the average grade was 82 and the standard deviation was 5. all students with grade from 88 to 94 received grade of B. if the grade are approximately no
What is F2 Test, X, Y Arithmetic Means The above method of finding out regression equation is tedious. The calculations can very much be simplified if instead of dealing with th
ABC company has 2000 accounts receivable. The mean and standard deviation are $300 and $50, respectively. Assume that the accounts are normally distributed.
the probability that you win a game is 0.3. if you play the game 20 times. what is the probability that you will win at least 8 times?
Problem: a. According to a Business week poll of 1035 adults, 40% of those surveyed agreed strongly with the proposition that business has too much power over American life (B
After analyzing the data the researcher has to test ten hypotheses various tests such as chi square test t test have been developed by statisticians for the purpose. The hypotheses
examples
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what are the projects elctromagnetic induction?
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