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Yogurt. An experiment to determine the effect of several methods of preparing cultures for use in commercial yogurt was conducted by a food science research group. Three batches of yogurt were prepared using each of three methods: traditional, ultrafiltration, and reverse osmosis. A trained expert then tasted each of the 9 samples, presented in random order, and judged them on a scale from 1 to 10. A partially complete Analysis of Variance table of the data follows.
a) Calculate the mean square of the treatments and the mean square of the error.
b) Form the F-statistic by dividing the two mean squares.
c) The P-value of this F-statistic turns out to be 0.000017. What does this say about the null hypothesis of equal means?
d) What assumptions have you made in order to answer part c?
e) What would you like to see in order to justify the conclusions of the F-test?
f) What is the average size of the error standard deviation in the judge's assessment?
Modify the selection sort (algorithm 5.2) so that it sorts all values less than x. Varying x randomly, compare this algorithm with the partitioning algorithm.
Modify Exercise 7a. so that the second method calls one of two additional methods-one that determines the health premium or one that determines the auto premium. The health insurance method asks users whether they smoke; the premium is $250 for sm..
Evaluate five to seven most important things about computer network
Explain through program the relationship that exists between the root and other nodes present in node-tree?
What is a predefined control event? Discuss its usage in programming.
1.Program should contain menu- driven program. 2.One function shows the user how to use the program.
Describe the cons of online social network sites. Do not do this for each site; but, in general, describe them for any site.
Author recommends ways to do this. Describe potential challenge that this type of collaboration might face and explain way of dealing with it.
People feel that they rarely use Algebra in their jobs or their lives. Most feel that knowledge of simple arithmetic operations is all that is needed. If this is the case then why do you suppose that Algebra is a required course in most college cu..
Your company has just hired a new CEO, and you make an appointment with her to discuss a large financial project that you have been managing.
Which pins of a function block are inputs and which are outputs?
Let si , for 1 ≤ i ≤ 8, be the input sequence consisting of a 1 in position i and 0 in position j, j = i. Suppose we apply the DCT to si , zero the last three coefficients, and then apply the inverse DCT. Which i, 1 ≤ i ≤ 8, results in the smalles..
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