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Answer the following question using a chi square test of association. In your answer you must do the following:
You want to know if the region where a person grew up influences their political orientation. You do a survey and find the following results. According to your survey, does region of origin influence political orientation?
Liberal Moderate Conservative
Northeast 390 650 260
South 195 390 715
Southwest 520 260 520
Midwest 130 390 780
West coast 845 260 195
What are the advantages and disadvantages of each? Explain how the empirical rule help explain the ways in which the values in a set of numerical data cluster and distribute?
The key steps to tests of significance are to state H0 and HA, calculate the test statistic, compute the p- value, and make a conclusion based on the given significance level.
what percent of the total number of seeds germinated?
a. What is the probability that you will make a Type I error given that the null hypothesis is true? b. What is the probability that you will make a Type I error given that the null hypothesis is false?
Do this many times and see whether you can notice any "non-randomness" features, for example, too few Sixes, too many even numbers, etc., or whether your generator seems to work properly. Design and perform other kinds of checks.
The pressure drop across the orifice is 80 mm of paraffin. The coefficient of discharge of the orifice is 0.62 and the densities of air and paraffin are 1.2 kg)m3 and 830 kg/rn3 respectively. Calculate the mass flow rate of air to the engine.
leroy a starting player for a major college basketball team made only 38.4 of his free throws last season. during the
According to The Economist, 77.9% of Google stockholders have voting power.7 If 2,000 stockholders are gathered in a meeting, what is the probability that at least 1,500 of them can vote?
question a researcher hypothesizes that individuals who listen to classical music will score differently from the
If the organization's claim is correct, what is the probability of having a sample mean of 114.6 or less for a random sample of this size?
A recent article in the Wall Street Journal reported that the 30-year mortgage rate is now less than 6 percent. A sample of eight small banks in the Midwest revealed the following 30- year rates (in percent):
any conclusion drawn for the t-test statistical process is only as good as the research question asked and the null
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