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Switching banks after a merger. Banks that merge with others to form ‘mega-banks' sometimes leave customers dissatisfied with impersonal service. A poll by the Gallup Organization found 20% of retail customers switched banks after their banks merged with another (Bank Marketing, Feb. 2009). One year after the acquisition of First Fidelity by First Union, a random sample of 25 retail customers who had banked with First Fidelity were questioned. Let x be the number of those customers who switched their business from First Union to a different bank.
To test this claim, a researcher obtains information about registered drivers from the department of motor vehicles and selects a sample of n=300 accident reports from the police department.
the inside diameter of a randomly selected piston ring is a random variable with mean value 12 cm and standard
Search an online academic virtual library or other websites such as salary.com to gather information. Use the information you find to evaluate the labor market of these countries ensuring that you address these topics:
a biologist is studying the gestation period of domestic dogs. fifteen dogs are observed during pregnancy and are found
Assume that the samples are normally distributed with equal population variances. Refere to the sales volume data in the table below, what is the number of degree of freedom? Top Shelf Sales Volume 23 35 50 68 32 Bottom Shelf Sales Volume 55 70 72..
question suppose that 11 individuals take the gmat graduate management admission test then take a gmat preparation
tree circumference and heightx 1.89 1.9 1.8 2.4 5.1 3.1 5.5 5.1 8.3 13.7 5.3 4.9 3.7 3.8y 21 33.5 24.6 40.7 73.2 24.9
Draw a graph that displays the relative share of bedrooms in the sample and create a box-and-whisker plot for the distribution of the price of the homes and describe the shape. Is there evidence of outliers in the data?
approximately 30 of obese patients develop diabetes. if a physician sees 10 patients who are obesea what is the
A survey of undergraduate students in the School of Business at Northern University revealed the following regarding the gender and majors of the students:
conde nast traveler conducts an annual survey in which readers rate their favorite cruise ship. all ships are rated on
We want to test the hypothesis that population B has a smaller variance than population A.
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