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Use the data set for math education and conduct an ANOVA to see if there are any statistically significant differences with respect to problem solving total for students who have different categories of the concept of learning by themes (colcateg). Please report the findings following APA. Conduct post hoc tests when necessary.
A professor asked her sophomore students, "How many drinks do you typically have per session? (A drink is defined as one 12oz beer, one 4oz glass of wine, or one 1oz shot of liquor.)"
Be certain to mention the direction of the relationship, the strength of the relationship, and whether our findings are statistically significant
Choose the correct conclusion regarding the claim that the weights of statistics text vary more than the weights of text in general.
Why do we have so many several measures of central tendency? Are all really essential or do they essentially give same information?
(a) What is the relative frequency (i.e., proportion) of observations falling in the 0.260-0.280 interval? (Give your answer to four decimal places.) (b) What is the shape of the data distribution?
The economists in the Obama administration suggested that the stimulus package that they recommended in early 2008 would keep unemployment under eight percent.
Find the sample mean and sample standard deviation for the amount of unspent money returned at the end of the day.
Best Electronics, Inc. offers a "no hassle" returns policy. The number of items returned per day follows the normal distribution. The mean number of customer returns is 10.4 per day and the standard deviation is 2.3 per day.
One of the major measures of the quality of service provided by any organization is the speed with which responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, had undergone a major ..
Create a set of n observations from the binomial distribution with 1 trial and the event probability of 0.007, where n is your answer.
The number of hurricanes that are formed during each hurricane season can be modeled using the Poisson probability distribution.
Based on these data, determine the 95 percent confidence interval estimate for true population mean?
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