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Question: Summer school. Having done poorly on their math final exams in June, six students repeat the course in summer school, then take another exam in August. If we consider these students representative of all students who might attend this summer school in other years, do these results provide evidence that the program is worthwhile?
June 54 49 68 66 62 62
Aug. 50 65 74 64 68 72
the air temperature was 33of in the night and 66of in the day. so in the day it was twice as warm as in the night.
Given a mean score of 70, standard deviation of 15,percentile of 23.Find the Z score,T score and raw score.
the weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25
rosenberg land development rld is a developer of condominium properties in the southwest united states. rld has
the department of natural resources reports that a fish is unsafe to eat if the polychlorinated biphenol pcb
no children which is equal to value obtained by census. Give z statistic (rounded to two decimal places) and P-value. What do you conclude? (Use = 0.10.).
Describe the following types of sample designs, noting their similarities and differences. State also when it is appropriate to use each type of sample de- sign. Random sample and Simple random samples
Show that the map phi: H->M_2(C) defined by phi(a+bi+cj+dk)=(a+b(sqrt -1),c+d(sqrt-1);-c+d(sqrt-1),a-b(sqrt-1)) is a ring homomorphism. Calculate its kernel and describe its image. Ps. Here H is the ring of integral Hamilton Quaternions and M_2(C) ..
A spinoff of the anti-war and civil rights movements of the 1960s that affected women was?
decide first if binomial or hypergeometric distributions is appropriate. then write which one is most appropriate.
How might you design an experiment that will effectively collect data for this chosen hypothesis? How will you minimize threats to validity? Will it be a true experiment or a quasi-experiment?
When sampling is for a population proportion from a population with actual proportion p = 0.5, using a sample of size n = 120, what is the standard deviation of our estimator P^?
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