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Specify a large population that you might want to study and describe the type numeric measurement that you will collect (examples: a count of things, the height of people, a score on a survey, the weight of something). What would you do if you found a couple outliers in a sample of size 100? What would you do if you found two values that were twice as big as the next highest value?
a study found that the average time it took a person to find a new job was 3.5 months. if a sample of 30 job seekers
What is the probability that a customer is both a frequent shopper and sometimes purchases generic? products?
What's the probability that a randomly chosen worker is neither married nor a college? graduate?
The average drying time of a manufacturer's paint is 20 minutes. Investigating the effectiveness of a modification in the chemical composition of her paint, the manufacturer wants to test the null hypothesis μ = 20 minutes against a suitable alte..
let x be the number of uninsured drivers in a random sample of 100 drivers.if 33 of all licensed drivers do not have
select a company maybe your employer and assess how it uses data in marketing its products or services. if it is not
A manufacturer uses two different trucking companies to ship its merchandise. The manufacturer suspects that one company is charging more than the other.
A particular type of tennis racket comes in a midsize version and an oversize version. Sixty percent of all customers at a certain store want the oversize version.
The shop is open every day but Sunday. Assuming day-to-day sales are independent, what's the probability he'll sell over 2000 cups of coffee in a week?
Eastern Chemicals produces two types of lubricating fluids used in industrial manufacturing.
a survey asks 1400 chief financial officers has the economy forced you to postpone or reduce the amount of vacation you
An I/O psychologist asks employees to complete surveys measuring job satisfaction and organizational citizenship behavior.
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