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Question: 1. What are the degrees of freedom for the KruskalWallis H test and the Friedman test?
2. Explain how to interpret the test statistic H.
3. When the null hypothesis is true and n is greater than or equal to 5 per group, the test statistic for the Friedman test is approximately distributed as what type of distribution?
Five hypotheses are to be tested using five independent test statistics. A common significance level (size) for each test is desired which ensured that the probability of rejecting at least one hypothesis is 0.4, when all five hypothesise are true..
At 0.05 level of significance, is there evidence of significant relationship between age group and where people mainly get their news? If so, describe the relationship.
q1. a study is conducted to determine if time of day has any effect on test grades. an introductory psychology class is
What other variables, aside from her mother's height, might be useful for improving your prediction? How could you use these variables in conjunction with the mother's height?
Do we have good evidence that the variance of the heights of singers in each of these two groups (Tenor1 and Bass2) are different?
When summarizing interval-ratio variable data using descriptive statistics, what do we lose in our understanding of a sample if we just report the mean and not any measures of dispersion such as the interquartile range or standard deviation? How m..
Using the technique you have identified as being most appropriate you are then required to analyse AMP given in example of Thomson ONE Banker Analytics website .
What is the price of an extra dollar of c1 in terms of c2 and what is the equilibrium price? Output and profits of the low cost gold mine?
Select a random variable to represent the category. Produce a probability mass function for that variable, and use it to compute the mean, the median and the variance of the data in the data set. Show the probability mass function, both in tabular..
What is the probability that he or she will be a problem gambler who does not play poker machines (rounded to 3 decimal places)?
discover card would like to test the hypothesis that the average credit score for an adult in dallas is different from
Suppose you know that a company based in country X manufactured a particular car. What is the probability that the car needs warranty repair?
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