Mathematics, 27.04.2021 22:40 GhostBoooty
Plz help! Question : “In a study 50 children of a certain race in a certain city were randomly assigned to one of two groups one group enrolled in a preschool and the other group did not Aresearch question was whether attendance at preschool had an
effect on high school graduation The table below shows whether the students graduated from regular high school or not and only includes results for the girls in the study.” Complete parts (A) and (b) below
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a. Find the percentages that graduated for both groups, and compare them descriptively Does this suggest that preschool was associated with a higher graduation rate?
The percentage that graduated for the group that enrolled in preschool %.is the percentage that graduated for the group that did not enroll in preschool, %. This
associated with a higher graduation rate for girls
(Round to one decimal place as needed)
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Arecent study focused on the number of times men and women who live alone buy take-out dinner in a month. assume that the distributions follow the normal probability distribution and the population standard deviations are equal. the information is summarized below. statistic men women sample mean 24.85 21.33 sample standard deviation 5.54 4.93 sample size 34 36 at the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? state the decision rule for 0.01 significance level: h0: μmen= μwomen h1: μmen ≠ μwomen. (negative amounts should be indicated by a minus sign. round your answers to 3 decimal places.) compute the value of the test statistic. (round your answer to 3 decimal places.) what is your decision regarding the null hypothesis? what is the p-value? (round your answer to 3 decimal places.)
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Plz help! Question : “In a study 50 children of a certain race in a certain city were randomly assig...
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