Reference no: EM132581568
As part of a series of tests of the abilities of professional astrologers, the following study was conducted. Professional astrologers prepared horoscopes (a description of the characteristics of the individual based on the alignment of stars when they were born) of 83 different randomly selected adults from San Diego, California.
Each individual in the study was then shown three different horoscopes-the one prepared for them, along with two others. Each individual then needed to select the correct horoscope. Twenty-eight out of 83 adults selected the correct horoscope.
a. Identify the population of interest.
b. Identify the sample.
c. Describe, in words, the relevant parameter of interest.
d. State the null and alternative hypothesis testing if adults can choose their correct horoscope more often than if they were just guessing.
e. The p-value obtained from this test using a theory-based approach is 0.4715. State an appropriate conclusion.
f. How a randomized experiment controls confounding variables, and why a cause-effect conclusion is possible in a randomized experiment.
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: As part of a series of tests of the abilities of professional astrologers, the following study was conducted. Professional astrologers prepared horoscopes
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