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Pick a collection of values (in reference to various variables) from a web site. Describe and list a few examples of your chosen collection. Pick a single data category/factor from your collection then describe whether the data from that category/factory is qualitative or quantitative. Does the quantitative data described represent discrete or continuous data?What is its measurement level? (Nominal, ordinal, interval, or ratio)
dr. fred reesurch has developed an experimental drug for treating eczema a skin disease. he needs to test it out on
given the following table of payoffs use sensitivity analysis to determine at what probability or more you would select
An independent-measures research study was used to compare two treatment conditions with n = 4 participants in each treatment. The first treatment had a mean of M = 58 with a variance of s^2 = 28, and the second treatment had M = 52 with s^2 = 36.
As we can say there is 5.5 percent chance of seeing the current policy having an effect on smog in the results we observed from natural sampling variation.
Suppose Y is a data matrix, and Z = YF for some orthogonal matrix F, so that Z is a rotated version of Y. Show that the variances of the principal components are the same for Y and Z. (This result should make intuitive sense.) [Hint: Find the s..
If individual luggage weights are independent, normally distributed rv's, what is the probability that total luggage weight is at most 2500 lb?
Draw a scatter diagram of the following bivariate data.
Consider that measurement 2 (M2) in random sample of 1000 controls from the Disease Y study population follows the normal distribution.
Does smiling cause mood to rise (i.e., become more positive)? Sketch between-participants, within-participants, and matched-participants designs that address this question and discuss the advantages and disadvantages of each to yielding data that ..
When the effect of a level for one factor depends on which level of the other factor is present, use: Select one:
At a computer manufacturing company, the actual size of computer chips is normally distributed with a mean of 1 centimeter and the standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken. What is the possibility that th..
To test the hypothesis that students who finish an exam first get better grades, the Professor kep track of the order in which papers were handed in.
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