Two basic divisions of statistics are

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true
inferential and descriptive.
false
population and sample.
Population and sample are important concepts in statistics, but they are not divisions of statistics.
false
sampling and scaling.
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mean and median.
The mean and median are measures of central tendency.
The two divisions of statistics are inferential and descriptive. (See the text for more details.)
Check all that apply. Descriptive statistics

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allow random assignment to experimental conditions.
false
use data from a sample to answer questions about a population.
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summarize and describe data.
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allow you to generalize beyond the data at hand.
Descriptive statistics summarize and describe data. Inferential statistics use data from a sample to answer questions about a population. Inferential statistics involves generalizing beyond the data at hand.
Which of the following are descriptive statistics?

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true
The mean age of people in Detroit.
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The number of people who watched the superbowl in the year 2002.
false
A prediction of next month's unemployment rate.
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The median price of new homes sold in Miami.
true
The height of the tallest woman in the world.
Descriptive statistics are numbers that are used to summarize and describe data. Predicting next month's unemployment rate involves generalizing beyond the data at hand, which is inferential statistics.