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Question: Explain whether x¯ or μ is the correct statistical notation for each mean described.
a. The mean hours of study per week was 15 hours for a sample of n = -30 students at a college.
b. A university administrator determines that the mean age of all students at a college is 20.2 years.
What is a multiple baseline design? Why is it used? Distinguish between multiple baseline designs across subjects, across behaviors, and across situations.
How much more cereal do you expect to be in the large bowl?- What's the standard deviation of this difference?
The price-earnings ratios of a sample of stocks have a mean value of 13.5 and a standard deviation of 2. if the ratios have a bell-shaped distribution, what can we say about the poportion of ratios that fall between 9.5 and 17.5?
With the ups and downs in the economy since 2008, many discount airline fares are available if a customer knows how to obtain the discount.
Suppose that the distribution of weekly water usage for single-family homes in a particular city is mound shaped and approximately symmetric. The mean is 1400 gallons, and the standard deviation is 300 gallons.
a teacher asked 10 of her students how many books they had read in the last 12 months. their answers were as follows12
Look at the shape of the binomial distribution for various combinations of n and p. Specifically, let n = 5 and try p = 0.2, 0.5, and 0.8.
if ho b1 0 is not rejected what is the best estimate for the value of the response variable for any value of the
Decision making under risk is the same as decision making under uncertainty because in both the probabilities are unknown.
Describe the concept that you had the most difficulty understanding. How does it apply to being a manager in your chosen field - Describe the concept of skewness. How can the data be skewed?
Charmers' Candy Store sells wrapped hard candies in the following flavors: strawberry, blueberry, lemon, lime, and orange. They advertise that there are equal proportions of each flavor in every size of their candy boxes.
in exploring possible sites for a convenience store in a large neighborhood the retail chain wants to be 95 certain of
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