Mean Standard Deviation Sixth-grade Be sure to interpret your interval. Is the assistant principal correct in thinking that matching students in this way and then computing a matched-pairs confidence interval for the mean difference in time spent on homework is a better procedure than the one used in part a?
Explain why or why not. A researcher thinks that modern Thai dogs may be descendants of golden jackals. A random sample of 16 animals was collected from each of the two populations. The length in millimeters of the mandible jawbone was measured for each animal.
The lower quartile, median, and upper quartile for each sample are shown in the table below, along with all values below the lower quartile and all values above the upper quartile. Sample Values Below Q1 Q1 Median Q3 Values Above Q3 Modern Thai dog , , , , , , Golden jackal , , , , , , a Display parallel boxplots of mandible lengths showing outliers, if any for the modern Thai dogs and the golden jackals on the grid below. Note: You do not have to compute the interval.
Note: You do not have to conduct the test. In order to monitor the populations of birds of a particular species on two islands, the following procedure was implemented. Researchers captured an initial sample of birds of the species on Island A; they attached leg bands to each of the birds, and then released the birds. Similarly, a sample of birds of the same species on Island B was captured, banded, and released. Sufficient time was allowed for the birds to return to their normal routine and location.
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