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Surveys are often used to measure high-value information. When you think of a survey, think of a set of variables. It's really that easy. For some problems, a survey question might be considered a dependent variable. For another problem, that same question might be considered an independent variable. Since survey questions are just variables, they can be analyzed using any of the methods we've learned in our leveling course and in the Hubbard text - one sample tests, two sample tests, ANOVA, regression, Chi-square, simulation, etc. Having said all of that, discuss things that should be reflected upon and/or considered in constructing a survey.
company a provides a critical manufacturing part 30 of the time company b provides the same part 50 of the time and
There are 6 children in a family. The number of children defines a population. The number of simple random samples of size 2 that are possible equals:
2. we saw in class that a coin-flipping game that pays 2n if the first head appears on the nth that is a random
During the last week of the semester , students at a certain college spends on the average 4.2 hours using the school's computer terminals with a standard deviation of 1.8 hours .for a random sampling of 36 students at that collage.
Assuming that the first digit cannot be a zero, compute the number of possible outcomes when the digits can be repeated.
how does variablity in a population influence standard error of the mean? if you were studying the effect of puppies on
1. A university is starting a new college of engineering, has extensive funding, and wants to use com- petitive benchmarking. What U.S. universities might be useful as objects of the competitive benchmarking effort?
Using a significance level of 0.05, perform a hypothesis test to see if the workers are right, and you need to hire more help. Write your hypotheses, calculate your test statistic and decide whether or not to reject your null.
Study on New Drug for Insulin Decrease Needs to be Tested
Question A: What is the expected amount Daniel james will have to pay to mobil in claims? What is the likelihood that Daniel james will actually lose less than the expected amount?Given that Daniel james suffers a loss, what is the likelihood that it..
below are data showing the results of six subjects on a memory test. the three scores per subject are their scores on
Shoppers enter Hamilton Place Mall at an average of 120 per hour, and the number and shoppers is Poisson distributed. What is the probability that at least 5 shoppers will enter the mall between 5:00 and 5:05 p.m.?
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