If, someday, an archaean cell is discovered whose rRNA sequence is more similar to that of humans than the sequence of mouse rRNA is to that of humans, the best explanation for this apparent discrepancy would be ________.

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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