Which of the Following Methods Would Provide the Most Legitimate

question 87

Multiple Choice

Which of the following methods would provide the most legitimate data on population density?

• A) Count the number of nests of a particular species of songbird and multiply this by two (because there are two parent birds per nest).
• B) Count the number of pine trees in several randomly selected 10-m × 10-m plots and extrapolate this number to the fraction of the study area that these plots represent.
• C) Use the mark-and-recapture method to estimate the size of the population.
• D) Calculate the difference between all of the immigrants and emigrants to see if the population is growing or shrinking.
• E) Add the number of births and subtract the number of individuals that die to see if the population's density is increasing or decreasing.

Distinguish between matched pairs and independent samples.

Understand the F-distribution and its application in hypothesis testing.

Interpret the significance level and make inferences based on statistical tests.

Identify and predict the major organic products of various organic reactions.

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Definitions:

Descriptive Statistics

Statistical procedures used to summarize, organize, and simplify data.

Mean

A measure of central tendency that is calculated by dividing the sum of values in a dataset by the number of values in the dataset, often referred to as the average.

Median

A statistical measure representing the middle value in a data set, where half the numbers are above and half below.

Mode

In statistics, the value that appears most frequently in a data set; in common usage, a way or manner in which something occurs or is experienced, expressed, or done.