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A person runs one mile to his house as fast as he can. It is equally likely that he will run at an average speed of 3 miles per hour, 6 miles per hour, and 9 miles per hour.
What is the e-value of your distribution of the time it will take this person to get home?
Multiple choice answers:
a) 8 minutes
b) 10 minutes
c) 12 minutes
d) 14 minutes
Compare and contrast internal and external validity. Describe and give examples of research questions for which external validity is a primary concern.
At the .01 level of signiicance, is the true mean greater than 10?
Construction of frequency distribution table for the given continuous data.
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Suppose a population proportion is .40, and 80% of the time when you draw a random sample from this population you get the sample proportion of .35 or more.
Explain what property associated with the Central Limit Theorem you consider the most important contribution, enabling the use of the normal distribution for sample means.
When comparing data from different distributions, what is the benefit of transforming data from these distributions to conform to the standard distribution?
The credit score of a 35 year old applying for a mortgage at Ulysses Mortgage Associates is normally distributed with a mean of 600 and a standard deviation of 100.
The statistical technique used in the regression analysis. The sum of squares is a mathematical approach to determining the dispersion of the data points.
A psychology professor is interested in whether implementing weekly quizzes improves student learning. She decides to use the weekly quizzes in one section of her introductory psychology class and not to use them in another section of the same cou..
Dr. Bundy recently earned permission from the warden of a local prison to use prisoners to study the effects of the drug Zoloft on depression.
a. What is the probability that one randomly selected student scores above 1100 on the GRE? b. Describe the sampling distribution of the sample mean for the 16 students.
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