Statistics for Management and Economics-Sixth Edition Gerald Keller

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Statistics for Management and Economics-Sixth
EditionGerald Keller Brian Warrack

• Chapter 1 What is Statistics?

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Key Statistical Concepts

• A population is the group of all items of
  interest to a statistics practitioners. It is
  frequently very large.
• A descriptive measure of a population is called a
  parameter. The parameter of interest in Case 12.1
  is the mean number of soft drinks consumed by all
  the students at the university.

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Key Statistical Concepts

• A sample is a set of data drawn from the
  population. A descriptive measure of a sample is
  called statistic.

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Figure A1.1 Blank Excel screen
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Figure A1.2 Blank Excel screen
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Data Analysis (Excel)

• The Analysis ToolPak is a group of statistical
  functions that come with Excel.
• Click Tools and Data Analysis
• If Data Analysis does not appear, click
  Adds-Ins and select Analysis ToolPak.