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Question: At some vacation destinations, "all-inclusive" resorts allow you to pay a flat rate and then eat and drink as much as you want. There has been concern about whether these deals might lead to excessive consumption of alcohol by young adults on spring break trips. You decide to spend your spring break collecting data on this issue. Of course, you need to take all of your friends on this funded research trip, because you need a lot of research assistants! You collect data on the number of drinks consumed in a day by people staying at all-inclusive resorts and by those staying at noninclusive resorts. Your data include the following:
All-inclusive resort guests: 10, 8, 13
Noninclusive resort guests: 3, 15, 7
a. Conduct all six steps of an independent-samples t test. Be sure to label all six steps.
b. Report the statistics as you would in a journal article.
c. Is there a shortcut you could or did use to compute your hypothesis test?
Is the average IQ of left-handed people higher than the average IQ of right-handed people?- For married couples, is there a relationship between owning a pet and whether or not they get divorced?
Rosenberg Land Development
A restaurant claims that its speed of service time is less than 18 minutes. A random selection of 36 service times was collected, and their mean was calculated to be 17.7 minutes.
Write a program which simulates both cases for a run of 1000 trials, prints out the proportion of successes for each run, and repeats this process ten times.
a parcel service randomly selected 48 packages it received. the sample has a mean weight of 18.6 pounds. assume that
In the first, he makes three independent calls. Payoffs are $310, $380, and $350, with respective probabilities of 0.35, 0.41, and 0.57.
1. What is the difference between a one-tail test and a two-tail test? 2. What is meant by a p-value?
What is the probability that the owner believes that finding qualified workers is a challenge for growth if the owner believes that the economy is a challenge.
Tell whether each of the given relationships reflects a positive or a negative correlation the amount of stress in people's lives and the number of colds they get in the winter.
Defective calculator is 10%. If 10 calculators are selected at random, what is the probability that 4 or more of the calculators will be defective?
what role does sample size play in the accuracy of statistical inference? why is the method of selecting the sample
now that you are familiar with the basic concepts of statistics what are some examples of when you have seen or heard
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