Suppose you discovered a new species about which youknow only two facts: it is small sized (<10 cm) and short lived (<20 days). Which of the following strategies is most likely to be true for this species?

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#Question id: 16877

#Section 3: Mathematics and Quantitative Ecology

Assume the cholesterol levels in a certain population have mean μ= 200 and standard deviation σ = 24. The cholesterol levels for a random sample of n = 9 individuals are measured and the sample mean x is determined. What is the z-score for a sample mean x = 180?

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#Question id: 16878

#Section 3: Mathematics and Quantitative Ecology

In a past General Social Survey, a random sample of men and women answered the question “Are you a member of any sports clubs?” Based on the sample data, 95% confidence intervals for the population proportion who would answer “yes” are .13 to .19 for women and .247 to .33 for men. Based on these results, you can reasonably conclude that

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#Question id: 16879

#Section 3: Mathematics and Quantitative Ecology

Suppose a 95% confidence interval for the proportion of Americans who exercise regularly is 0.29 to 0.37. Which one of the following statements is FALSE?

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#Question id: 16880

#Section 3: Mathematics and Quantitative Ecology

In hypothesis testing, a Type 2 error occurs when

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#Question id: 16881

#Section 3: Mathematics and Quantitative Ecology

Null and alternative hypotheses are statements about:

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#Question id: 16882

#Section 3: Mathematics and Quantitative Ecology

A hypothesis test is done in which the alternative hypothesis is that more than 10% of a population is left-handed. The p-value for the test is calculated to be 0.25. Which statement is correct?