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A reporter on the evening news stated the following: "Results from a new study were released today. In this study, participants who consumed 4 servings of dairy products per day had significantly higher cognitive functioning (p <0.05) compared to those who consumed no dairy." In 1-3 sentences, explain what this statement means to someone who has no knowledge of statistics (i.e., do not use statistical terms or vocabulary in your explanation).
Finding the value of test statistic utilizing two-tail 't' test also interpret the result. The Commercial Bank as well as Trust Company is studying the use of its automatic teller machines.
The average service time at CheesePlate Restaurant is 3.5 minutes with a standard deviation of .04 minutes. A new order system claims it can improve service time
a survey was given to sophomores at a university and one of the questions asked was what is the probability that you
A sample of the personal files of eight male employees revealed that during a six month period they lost the following number of days due to illness 2, 0, 6, 3, 10, 4, 1, 2. Calculate the standard deviation. show your work.
Home Prices A real estate agency says that the mean home sales price in Spring, Texas, is the same as in Austin, Texas. The mean home sales price for 25 homes in Spring is $127,414. Assume the population standard deviation is $25,875.
Five-card stud is a poker game, in which a player is dealt 5 cards from an ordinary deck of 52 playing cards. How many distinct poker hands could be dealt?
chi-squared a study is designed to investigate whether there is a difference in response to various treatments in
the lifetime of a disposable water filter is normally distributed with mean m 30 gallons and standard deviation s 6
The management of a bank in the Caribbean was concerned about the potential loss that might occur in the event of a hurricane. The bank estimated that the loss from one of these storms could be as much as $100 million including losses due to inter..
a presidential election poll shows one candidate leading with 60 of the vote. if the poll is taken from 200 random
Do the data indicate a significant difference in rated attractiveness when the woman appeared to have a tattoo ? use the two tail test with o=.05 with z=______ there _____ a significant difference.
here are the golf scores of 12 members of a college womens golf team in two rounds of tournament play. a golf score is
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