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Tutor O-rama claims that their services will raise student SAT math scores at least 50 points. The average score on the math portion of the SAT is μ = 350 and σ = 35. The 100 students who completed the tutoring program had an average score of 385 points. Is the average score of 385 points significant at the 5% level? Is it significant at the 1% level? Explain why or why not.
problem1 the data below shows the number of absences x and the final grade y of seven students in the statistics
question 1a marine biologist has evidence from other studies that the number of fish is declining in certain lakes
The Mann-Whitney test, or none of these tests?
Binomial probability distribution
2. At a school pep rally, a group of sophomore students organized a free raffle for prizes. They claim that they put the names of all of the students in the school in the basket and that they randomly drew 36 names out of this basket. Of the pr..
Calculate the mean, median, and standard deviation and get statistics on the original reaction time, separately for the three stimulus types. Comment on how the means compare for the three stimulus types.
The growth of bacterial colonies follows a Poisson distribution.
Find a statistics study on Unemployment and explain the five-step process of the study.
a study was conducted to estimate hospital costs for accident victims who wore seat belts. twenty randomly selected
Specialization topic is employee management
The population characteristics of two random variables
As a manager of an organization, what statistics from this module would you use and why if you wanted to estimate your annual employee turnover? In your post, be sure to specifically identify the statistical formulas and what additional data you woul..
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