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If other factors are held constant, which of the following sets of data is most likely to satisfy the homogeneity of variance assumption?
A. A sample mean difference of 6 points and sample variances of 15 and 10
B. The other 3 options are equally likely to satisfy the assumption
C. A sample mean difference of 2 points and sample variances of 6 and 4
D. A sample mean difference of 4 points and sample variances of 9 and 6
Hypothesis test of difference between two means based on independent random samples, which one of the given is correct rejection region at significance level of .05?
Mean satifaction differ according to how they most use the bank? Identifing notation, state the null and alternitive hypotheses for conducting an ANOVA with data from the survey?
consider the hypothesis test given byh0 mu 530h1 mu ne 530in a random sample of 85 subjects the sample mean is found
Estimate the percentage of adult Internet shoppers in order to determine the maximum impact of Internet shoppers on its sales, what percentage of Internet shoppers should be used?
Perform the 5 steps of hypothesis testing procedure. Please present the calculations and results and Graphs. Make all possible observations and interpret the results
What is the probability that the second pipe (with length Y) is more than 0.15 feet longer than the first pipe (with length X)? Give your answer to four decimal places. Hint: Do not use calculus to get your answer.
an actuary determines that the claim size for a certain class of accidents is a random variable x with moment
Use the rules to find an F -statistic for testing whether the term is present, assuming an unrestricted model. Do any of your answers change if you assume a restricted model instead?
Many different kinds of data can be modeled or measured easily using exponential and logarithmic functions. For example, consider ideal gases:
Calculate the probability that the median of the sample or average medians is:
In a marketing study, 100 consumers were asked to select the best digital music player from the iPod, the iRiver, and the Magic Star MP3. To summarize the consumer responses with a frequency table, how many classes would the frequency table have?
let 30 percent of the people in new york favor ice cream. if 500 people are surveyed at random what is the probability
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