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Figure 1: Mean of all the Estimates is 1.78 foot 14- 12 10 8 1.4 1.6 1.8 Judgement Sample 2.0 2.2
Figure 2: Mean of all the Estimates is 1.23 feet 14- 12 10- 1.4 Simple Random Sample 1.0 1.2 1.6 1.8 Figure 1 and Figure 2 are the frequency histograms displaying the mean diameter of trees based on a sample of ne5 trees. Five trees were selec Simple Random Sampling scheme. The mean of the estimates reported by the class are typed into the title of each figure. Recall that the mean diameter of the tree trunks in the population is 1.25 feet. ted first using a Judgement Sampling scheme, and then using a What did you learn from this demonstration? (Hint: The new terms introduced were population, representative sample, and bias. Use these in a sentence.)
math   Statistics-And-Probability   
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Answer #1

here first it is given that population mean is 1.25 and the means of sample corresponding to judgemental and SRS is 1.78 and 1.23 respectively.

therefore, 1.25 is popln mean, mean from SRS is best representive of popln mean ans mean from judgemental sampking has bias.

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