One population X has 750 AA, 0 Aa, and 250 aa; the other Y has 500 AA, 500 Aa, and 0 aa. After one generation of random mating, the genotype frequencies X and Y respectively if the population size remains 1,000.

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#Question id: 16898

#Section 3: Mathematics and Quantitative Ecology

A significance test based on a small sample may not produce a statistically significant result even if the true value differs substantially from the null value. This type of result is known as

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#Question id: 16899

#Section 3: Mathematics and Quantitative Ecology

Which of the following is not a possible explanation for this finding?

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#Question id: 16900

#Section 3: Mathematics and Quantitative Ecology

Which of the following is a valid conclusion from this finding?

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#Question id: 16901

#Section 3: Mathematics and Quantitative Ecology

The best way to determine whether a statistically significant difference in two means is of practical importance is to

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#Question id: 16902

#Section 3: Mathematics and Quantitative Ecology

A large company examines the annual salaries for all of the men and women performing a certain job and finds that the means and standard deviations are $32,120 and $3,240, respectively, for the men and $34,093 and $3521, respectively, for the women. The best way to determine if there is a difference in mean salaries for the population of men and women performing this job in this company is

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#Question id: 16903

#Section 3: Mathematics and Quantitative Ecology

One problem with hypothesis testing is that a real effect may not be detected. This problem is most likely to occur when