1846252
20.08.2019 •
Mathematics
As you may recall from biostats (the statistics course that is a pre-requisite for this course) we can never measure an entire population of interest, we only have sample data. this means that even if a population is at h-w equilibrium the genotype frequencies for a sample would almost never perfectly match the frequencies predicted from the allele frequencies. the x2 (chi-squared) statistical technique can be used to test observed deviations from expectation and determine whether the population is likely to be at h-w equilibrium or not. consider the following data for a sample of 522 individuals collected from a populationgenotype numberaa 121aa 291aa . 110conduct a x2 test (as learned in bio 260, a prerequisite for this course) to determine if this data indicates that the population appears to be at h-w equilibrium based on this sample.(a) what is the x2 calc value you calculate for this data? x2 calc. = ? (show all work, round to nearest 0.0001)(b) compare this to the appropriate critical values or use a statistical p = ? program to provide a range or exact value for the p value of your test.(c) interpret your results, would you conclude that this population is at h-w equilibrium or not? if not, what may be happening?
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Ответ:
The correct option is;
Yes, the line should be perpendicular to one of the rectangular faces
Step-by-step explanation:
A perpendicular cross-section of a triangular prism resting on a rectangular face will have a triangular cross-section section an either side of the line of the cross-section, therefore we have;
Given that the triangular prism is lying on one of the rectangular faces, the perpendicular cross-section will be represented by a line drawn along the slant height of the triangular prism, therefore the correct option is yes, the line should be perpendicular to one of the rectangular faces.