According to the California Educational Code (http://www.cde.ca.gov/ (http://www.cde.ca.gov/ls/fa/sf/peguidemidhi.asp), ls/fa/sf/peguidemidhi.asp), students in grades 7– 12 should receive 400 minutes of physical education every 10 school days. A random sample of 48 students has a mean of 385 minutes and a standard deviation of 53 minutes. Test the hypothesis at the .05 level of significance that the sampled population satisfies the requirement.
Answer to relevant QuestionsAccording to a 2009 survey based on the United States Census (http://www.census.gov/prod/(http://www.census.gov/prod/2011pubs/acs-15.pdf), (http://www.census.gov/prod/2011pubs/acs-15.pdf), the daily one- way commute time of ...We must be concerned about four possible outcomes before conducting a hypothesis test. (a) Assuming that the test already has been conducted and the null hypothesis has been retained, about which of the four possible ...(True or False) You should consider using a confidence interval whenever (a) The null hypothesis has been rejected (b) The issue is whether or not an effect is present (c) The issue involves possible effect sizes (d) There ...To determine whether training in a series of workshops on creative thinking increases IQ scores, a total of 70 students are randomly divided into treatment and control groups of 35 each. After two months of training, the ...The investigator mentioned in Review Question 14.14 wishes to conduct a more extensive test of the effect of alcohol consumption on the performance of automobile drivers, possibly to gain more information about the legal ...
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