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Reliability: The data that we collect is not useful unless we know that it is reliable and valid. Think of the judges on the TV show Dancing with the Stars. (There are three or four judges. Each week each judge scores each dance on a scale from 1 to 10. The dances are different types of dances each week -- waltz, foxtrot, etc).
What data would we have to collect to be sure that the judges ratings meet the criteria for each type of reliability? Be sure to clarify how each type of reliability is different from the other types.
Use the equation approach to compute the number of flags Kincaid must sell each year to break even.
How large a sample must one take to be 90% confident that the estimate is within 0.05 of the true proportion of women over 55 who are widows?
What is the value of sample mean? If the interval represents 90 % confidence interval, what would the 99 % confidence interval be?
a couple plans to have three children. assuming that each child is equally likely to be a boy or girl find the
Two mercury manometers, one open-end and the other sealed-end, are attached to an air duct. The reading on the open-end manometer is 28 mm and that on the sealed-end manometer is 809 mm.
If a single card is drawn from an ordinary deck of cards, what is the probability of drawing either a heart or a 6? (Answer in a fraction).
The American Society of PeriAnesthesia Nurses (ASPAN; www.aspan.org) is a national organization serving nurses practicing in ambulatory surgery, preanesthesia, and postanesthesia care. The organization's membership is listed below.
question the u.s. government accountability office recently indicated the price of college textbooks has been rising
I deal myself 5 cards from a standard 52-card deck. Find the probabilities of 2 of a kind; 3 of a kind; -a full house.
To evaluate the effect of a treatment , a sample of n=9 is obtained from a population with a mean of m=40 and the treatment is administered to the individuals is found to be M-33
an automobile manufacturer is concerned about a possible recall of its best-selling four-door sedan. if there were a
Growth of pine trees. The Department of Biology at Kenyon College conducted an experiment to study the growth of pine trees. In April 1990, volunteers planted 1000 white pine (Pinus strobus) seedlings at the Brown Family Environmental Center. The ..
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