Chapter 11: Q1. (page 637)
Copy and complete: A sample in which every member of the population has an equal chance of being selected is a(n)….?.
A sample in which every member of the population has an equal chance of being selected is a(n) random sample.
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Find the sum or difference.
In Exercises 6-8, tell whether the data are numerical or categorical. The tell which data display(s) you would use to display the data. Explain your reasoning.
A study determined the amount of energy that was produced by different means, such as electric, solar, wind, and natural gas.
In Exercises 21-23, use the box-and-whisker plot below.
The data set consisted of 12 whole numbers. How many of the numbers are less than? Explain.
Tell which data display(s) allow you to identify the specified information.
The mode of the data set.
A school newspaper is conducting a survey to predict who will win the next school election. Tell whether the sampling method is random, systematic, stratified, convenience, or self-selected.
Set up a booth where students can come to give their opinions.
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