Unit 1b TI-84.doc - STA 2023 Chapter 1 Calculator Instructions Generating Descriptive Statistics Ungrouped Data Ungrouped data sets are sets where each

Unit 1b TI-84.doc - STA 2023 Chapter 1 Calculator...

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STA 2023 Chapter 1 Calculator Instructions: Generating Descriptive Statistics Ungrouped Data Ungrouped data sets are sets where each value is counted as occurring only once. Thus if the list {2, 3, 5, 7} is considered as ungrouped data, it merely consists of the four numbers 2, 3, 5, and 7. Grouped data, as we shall see later, lists the data values and how many times each of those values show up in the data set. The starting point for generating numerical descriptive statistics is getting the data into a list and then using the 1-Var Stats function to get the statistics. Example: Prices of CDs. The following data values are the prices of the same popular CD sold from ten different discount stores. 12.95, 14.90, 11.57, 14.65, 17.95, 21.25, 12.95, 20.35, 10.95, 25.05 Press the STAT key. Press the number 1 key. Enter the data values into L1. Press the STAT key. Press the ► key to highlight CALC. 1
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Generating Descriptive Statistics (cont.) Press the number 1 key to select 1-Var Stats.
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  • Fall '16
  • James Condor

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