w History Bookmarks window Help Log G Wiley PLUS: MYWHerPLUS I Help Contact Stat

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w History Bookmarks window Help Log G Wiley PLUS: MYWHerPLUS I Help Contact Statistics: Unlocking the Power of Data, 1st Edition, WileyPLUS Custom Course for statistical Methods And Motivation (STA 29 of Kentucky University MESSAGE INSTRUCTOR Exercise 012 Chapter 3, Section 1. Figure 1 shows sample proportions mom samples of size n- 40 from population.Estimate the value of the population parameter and estimate the standard error for the sample statistic. 0.02 0.00 0.16 023 0.30 0.37 0.44 0.51 0.58 Figure 1 samping Distribution Version 4.22.35

Explanation / Answer

The plot has a symmetric. Hence, we can assume that the distribution is follow a normal distribution, so, the mean of the distribution is lies in the middle of the curve.

Therefore, p=0.30 (Bernoulli distribution)

SE=sqrt(p*(1-p)/n)=sqrt(0.30*(1-0.30)/40) =0.07 (SE= standard error of the p)

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