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The following data were obtained from a study- on a chemical reaction system:
The 16 runs were perfom1ed in random order, trial 1 being run three times, trial 5 once, and all the rest twice. (The intention was to nm each test twice, but a mistake was made in setting the concentration level on one of the tests.)
(a) Analyze these data. One thing you might wish to consider is fitting by weighted least squares the following model to them: η = β0 + β1x1 + β2x2 + β3x3 where x1, x1, and x3 (preferably, though not necessarily, in coded units) refer to the variables temperature, concentration, and pH, respectively, and 71 is the mean value of the yield. Alternatively, a good indication of how elaborate a model is needed will be obtained by averaging the available data and making a preliminary factorial analysis on the resuIts.
(b) Compare these two approaches.
suppose we wanted to compare the somatic complaints as shown on a scale known as pss of 3 groups of people non-smokers
in a study in which k 3 n 21 mean of x1 45.3 mean of x2 16.9 and mean of x3 8.2 you compute the following sums of
1. The best way to handle this is to a. Follow his suggestion.
consider the following set of data.19 10 29 52 64 29 85 16 110 59 115 13a calculate the covariance of the set of data.
the qualifying speed for a championship race is 145.65 mph and the standard deviation is 9.45 mph. only drivers who
One question that I have is: Will these sample statistics accurately estimate the purchasing habits of all our customers? Can you share some of your thoughts on that question? Why or why not?
What do you think is the ideal number of children for a family to have?" A Gallup Poll asked this question of 1016 randomly chosen adults. Almost half (49%) thought two children was ideal
From the probability matrix, determine the probability that an adult lives in a nonurban area and cares for an ill relative.
On Saturday morning, calls arrive at TicketMaster at a rate of 108 calls per hour. What is the probability of fewer than three calls in a randomly chosen minute?
First assume that at least one solution to the corresponding homogeneous equation is of the form . You may have to use some other method to find the second solution to make a fundamental set of solutions. Then use one of the two methods to find a ..
Create a SUBTOTAL formula to calculate the filtered SUM of Tonnes. Assume the OBS in the table is located in cell A1
Bonus is sales are made to 3 of the neighbors, and $200 if he able to sell to 4 neighbors. In how many ways can edwards make bonuses greater than $50?
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