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1. My bootstrap distribution after 1000 resamples is shown in the histogram and summary statistics below.
Based on this information, which would be better, a t distribution interval or a bootstrap percentile interval?A. the bootstrap t intervalB. the bootstrap percentile intervalC. Either would be acceptable.
2. An advantage of the permutation test over the t test for a difference in means is thatA. it gives accurate P-values even when the distributions are not normal.B. it tests a more general hypothesis.C. Both choices are true.
3. Permutation tests cannot be used forA. tests when we believe the two populations differ under the null hypothesis.B. matched pairs designs where we believe only random differences occur.C. testing relationships where the null hypothesis says no relationship exists.
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
The ANOVA table is given below,as well as a table of means and standard deviations for the three groups. Evaluate the t statistic for testing contrast
A researcher measures a response variable Y and explanatory variable X on each of several objects. A scatterplot of the measurements is as follows.
A study of cardiovascular risk factors compared heavy smokers, light smokers, and nonsmokers. Both men and women were included in the study so that the two factors are smoking level and gender.
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For each of the 50 states and Washington, D.C., a number of statistics related to education are available for 1992
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