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Question: A French teacher tested the claim that "concrete, immediate experience enhances vocabulary learning." Driving from the college into the city, he described in French the terrain, signs, distances, and so forth, which he recorded with a digital voice recorder. ("L'auto est sur le pont. Carrefour prochain est dangereux.") For the next part of his investigation, his French II students were ranked from 1 to 10 in competence. The 10 were divided in such a way that numbers 1, 4, 5, 8, and 9 listened to the record while riding to the city (concrete, immediate experience) and numbers 2, 3, 6, 7, and 10 listened to the record in the language laboratory. The next day each student took a 25-item vocabulary test; the number of errors was recorded. Think about the design, analyze the data, and write a conclusion about immediate, concrete experience.
#1 7 #2 7 #3 15 #4 7 #5 12
#6 22 #7 24 #8 12 #9 21 #10 32
A college claims that the average loan debt for undergraduate students upon graduation is $30,000. You conduct a hypothesis test where you conclude the average loan amount exceeds $30,000. which hypothesis test decision error could you have made, ..
a box contains 10 chips. the chips are numbered 1 through 10. otherwise the chips are identical. from this box we draw
Use the normal approximation to the binomial with a correction for continuity. Round your answer to at least three decimal places. Do not round any intermediate steps.
if it is reported that 1 in 6 eggs is contaminated with salmonella. if salmonella contamination occurs independently in
Problem 1: An insurance company estimates the probability of an earthquake in the next year to be 0.0013. The average damage did by an earthquake it estimates to be $60,000. If the company offers earthquake insurance for $100, what is the insuranc..
Southside Hospital in Bay Shore, New York, commonly conducts stress tests to study the heart muscle after a person has a heart attack.
The cost to prepare the equipment for producing hot dogs is $66. Annual holding costs are 45 cents per hot dog. The factory operates 297 days a year.
Do you use probability in your profession or real life? You most likely do. For example, chance of rain tomorrow is 27%. We hear similar probabilities in the media all the time.
The simplest useful numerical description of a distribution consists of measure of center and measure of spread. The Median is the 50th percentile. Q: Why is not the Mean the 50th percentile?
2- to 3-page critique of the article you found. In your critique, include responses to the following:
A professor is targeting a score of 80 on an exam. His forty-nine students averaged 78 on an exam with s = 7. Are the scores significantly less than 80 at a significance level of 0.05? Show your work and state the conclusion.
Which of the variables below do you think will be roughly normally distributed? Please select all that apply.
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