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Which of the following assumptions is not made for the F-test for comparing three or more means?
A) The populations from which the samples were obtained must be normally distributed.
B) The samples must be independent of each other.
C) The sample sizes must be equal.
D) The variances of the populations must be equal.
Explain the independent variable, covariate, and levels (groups) of eah. Also, explain the dependent variable and its associated measurement scale and expected outcome.
Assume gasoline prices for a region are normally distributed. do the data you obtain provide enough evidence to reject the claim? use 1% level of significance.
Determine probability of generating six digits and getting code consisting of 1, 2, 3, ..., 6 if each digit can be repeated?
The bank wants to find out the waiting time of their customers during the Friday evening hours from 5pm to 8pm. Using the data in ungrouped form, compute the Standard Deviation, using the computational formula.
Calculate (a) MAD, (b) MSE, and (c) MAPE for the following forecast versus actual sales figures.
Determine the mean and standard deviation of following probability distribution.
Evaluate the mean, the median, and the mode of the salaries. Which best describes a typical salary and Evaluate the range, variance, and standard deviation of the data set. Interpret the results in the context of the real-life setting.
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major.
No, there is not enough information to refuse hypothesis that proportion of male students who live on campus and proportion of female students who live on campus are same as the test value -1.65 is inside acceptance region (-1.96,1.96).
Findout the normal model for the given proportions. The professor has every student toss a coin 50 times also calculated the proportion
Compare the means of two populations using 96% confidence interval:
Find the range and the standard deviation of the times.
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