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Question: Class attendance and grades. A study of class attendance and grades among first-year students at a state university showed that in general students who attended a higher percent of their classes earned higher grades. Class attendance explained 16% of the variation in grade index among the students. What is the numerical value of the correlation between percent of classes attended and grade index?
The final grades for the 5 students from teaching method 2 are 98, 93, 70, 68, 62. Two sample independent t test at alpha of .05 assuming equal variances.
An estimated regression coefficient is 10 with a standard error of 5. The null hypothesis is that the partial regression coefficient equals one.
An economist for the state government of Mississippi recently collected the data contained in the file called Mississippi on the percentage of people unemployed
A random sample of 16 students selected from the student body of a large university had an average age of 25 years and a standard deviation of 2 years.
a may 2007 gallup poll found that only 11 of a random sample of 1003 adults approved of attempts to clone a human.find
Explain the research hypothesis. Describe your sample and your sampling method.
1.in a particular game a ball is randomly chosen from a box that contains 3 red balls 1 green ball and 6 blue balls. if
a pharmaceutical company is checking their medicines according to the regulations imposed. the company must ensure that
Given the presence or absence of the 0.00 value within the interval, is this consistent with the findings of the hypothesis test?
what is the percent of explained variation determined by the regression line? how do you determine the
In 4-5 paragraphs describe gender roles (how they were influenced/changed) though out middle ages (with specific examples of people, years etc.)
Megatronics manufactures components for use in small electronic products such as computers, CD players, and radios at plants in Belgium, Germany and France. The parts are transported by truck to Hamburg, where they are shipped overseas to customer..
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