Consider the procedures used by the class to collect the proportional data (not

Question

Consider the procedures used by the class to collect the proportional data (not the holly leaf data). Assume these data represent a sample of all evergreens of the campus. The proportional data was collected by each student walking to certain part on campus, and on the way counting 20 trees and then categorizing them into one of four categories.

q) Is random sampling used in the procedures for collecting the proportional data? Explain.

r)Welcome to the real world: you do not have the resources to increase your sample size. If you do not have the resources to increase your sample size, how could you change the procedures we used to improve our estimate of p? Describe an improved procedure in detail. (A suggested length is one-two paragraphs, meaning as much as half a page.)

Explanation / Answer

(q) yes this type of sampling us random sampling.

(r) if we don't have resources to increase sampling size, we will devide sample into pieces.

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