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This guide outlines the steps to enter and analyze age data of stowaways using a TI calculator. Begin by inputting data into the calculator, followed by sorting the data into classes. Using the statistics mode, you will learn how to enter age data, organize it into mutually exclusive classes, and ensure uniform class widths. Discover how to effectively visualize the data within specified age ranges, providing a comprehensive statistical overview of stowaway demographics on the Queen Mary.
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1. Making Tables The data must be entered first into the TI calculator and sorted.
2. Data – Ages of Stowaways on the Queen Mary West Bound
3. The Statistics Mode of the TI Press STAT
4. Entering the lists Press Enter
5. Type in the data Type each number, pressing enter after each one
6. Sort the data Press Stat, #2
7. Specify the list Press L1 (2nd, 1) and then enter
8. Look at the list again Press STAT, Edit, 1
9. Classes or groups Data is normally divided into 5 to 20 groups, called classes. The number of classes depends on the amount of data.
The first and the last class may not have a frequency of zero.
Classes must be mutually exclusive – no overlapping.
10. All classes must have the same width.
The classes must be able to include all data values.
Classes can be formed by a “natural” method. The data for the ages of stowaways would naturally go from 10 to 19, 20 to 29, etc
11. Setting up classes