State whether each situation has independent or paired (dependent) samples. a. A researcher wants to know whether men and women at a particular amusement park have different mean cholesterol levels. She gathers two random samples (one of cholesterol levels from 80 men and the other from 80 women.) b. A researcher wants to know whether spouses have different mean cholesterol levels. He collects a sample of spouses and has each person report his or her cholesterol level. a. Choose the correct answer below. O Paired (dependent) samples O Independent samples b. Choose the correct answer below. Paired (dependent) samples O Independent samples

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.