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1. What is meant by a designed experiment?
2. "A factor level is the same as a treatment." Is this statement always true? If not, what conditions are neces- sary for it to be true?
3. What is necessary for an experiment to be "balanced"?
4. Explain the basic role that between-sample variation and within-sample variation play in carrying out an analysis of variance.
5. Differentiate between the independent and depen- dent variables in an experiment.
6. A university president collects data showing the number of absences over the past academic year for a random sample of 6 professors in the College of Engineering. She does the same for a random sample of 9 professors in the College of Business and for a random sample of 8 professors in the College of Fine Arts. Does this represent a designed experiment? Explain.
The data obtained from the 30 respondents are shown in the table. Calculate the category means and the grand mean. Show Calculations. Calculate SSy, SSx, and SSerror. Show Calculations.
For the midcourse PSYC105 test M = 39 (out of 60) and SD = 11.2. What is the deviation score for a person scoring 33 in the test? Complete the formula and show your working and answer.
chemical company claims the one majory product has on average 4.0 fluid oz of caustic materials per gallon.it further
average weight of goats in a farm is 125 pounds with the standard deviation of 12 pounds. assume the distribution of
The sample results are given below. At the 0.10 significance level, test the claim that response and major are independent.
If 60% of Americans are right handed and 40% are left handed. If we randomly pick 15 Americans what is the probablity that all 15 are right handed?
the heights and weights of 11 men between the ages of 21 and 26 were measured. the data are presented in the table
What is the probability that on your next trip to your friend's house, you will have to stop for exactly one red light and what is the probability that you will have to stop for at least one red light
In previous tests, baseballs were dropped 24ft onto a concrete surface, and they bounced an average of 92.84% in. In a test of a sample of 40 new balls, the bounce had a mean of 92.67 in.
Standard deviation of 0.7 inches. If 21 items is chosen at random, what is the probability that their mean length is less than 10.5 inches.
Calculate the limits within which the weight of the packets should lie assuming that the machine is not been classified as faulty.
questiona jonka tries to connect to his internet service provider. the probability that he connects on any single
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