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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
assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds and is spread
A random sample of 200 people was taken. Sixty percent of the people favor President Obama. The 95% confidence interval for the true population of people who favor Obama is?
an auditor wants to estimate what proportion of a banks commercial loan files are complete. the auditor randomly
Dunn Poitiac has compiled the following sales data regarding the number of cars sold over the past 60n selling days. Answer the following questions for the sales data shown.
The national median sales price for new single-family homes is $230,000 (The Associated Press, March 25, 2006). Assume that the following data were obtained for sales of existing single-family homes in Houston and Boston.
The linear correlation coefficient r is
Find the probability of getting a queen and a spade.
Draw a scatter diagram of the following bivariate data.
consider the formula used for any confidence interval and the elements included in that formula. what happens to the
At 95% level of confidence, can we conclude that the babies using the Gibbs product gained less weight?
Find the empirical probability that an iris bulb of this type will bloom. Give answer as a fraction in lowest terms. How many of the bulbs should she plant next fall if she would like at least 52 to bloom?
People in a large population average 60 inches tall. You take a random sample and will be given a dollar for each person in your sample who is over 65 inches tall.
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