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A non profit company concerned with the school dropout rates in a nearby state has designed a tutoring program aimed at students between 16 and 18 years old. The highschool dropout rate in the school for the year 2000 was 11.8%, one school district, who adopted the use of the nonprofit's tutoring program and whose dropout rate has always been very close to the state average, reported in 2004 that 202 of their 1795 students dropped out. Is their experience evidence that the tutoring program has been effective? Explain
What are the null and alternative hypotheses?
What is the value of the test statistic?
What is the P-value of the test statistic?
Is their experience evidence that the tutoring program has been effective?
out of a sample of 94 purchases at the drive-up window of a fast-food establishment 27 were made with a major credit
q1. in a college 15th of the girs and 18 th of the boys took part in a camp. what fraction of the total no of students
a certain brand of candies have a mean weight of 0.8617 g and a stand deviation of 0.0521 based on a sample of a
The average number of field mice per acre in a 5-acre wheat field is estimated to be 12. Find the probability that fewer than 7 field mice are found
Could you conclude that Queens College Professors live longer than average? Use the appropriate two-tailed test with an α = 0.05. Also, construct a 95% confidence interval. Do the statistical test and the confidence interval agree? Write up your resu..
Describe why the normal distribution can be used as an approximation to binomial distribution. What conditions should be met to use the normal distribution to approximate the binomial distribution? Why is a correction for continuity essential.
then lengths of a certain component are normally distributed with a mean of 250 mm and a standard deviation of .6mm.
1. what is the purpose of conducting an experiment? how does an experimental design accomplish its purpose?2. what are
Metal stamping machine is producing 10 defective parts per hour. Determine the probability that three or fewer defective parts will be output in a randomly chosen hour, by using the Poisson distribution?
a company employs 300 employees. each year there is a 30 turnover rate for employees. we want to do a normal
The McNemar test is a test on a 2x2 classification table when you want to test the difference between paired proportions. Chi-square test for 2X2 tables compares the tallies or counts of categorical responses between two (or more) independent grou..
Create an operational definition of your construct using at least three peer-reviewed journal articles as references. Select and list five items used to sample the domain.
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