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Statistics1 - Dr Ehab F Abd-elfattah [email protected]

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Statistics Dr. Ehab F. Abd-elfattah [email protected] Bluman A. (2012) Elementary statistics : A step by step approach. 8 th ed., McGraw Hill, New York.
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Chapter 1: The nature of probability and statistics Introduction 1–1 Descriptive and Inferential Statistics 1–2 Variables and Types of Data 1–3 Data Collection and Sampling Techniques
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Introduction You can find probability and statistics through radio, television, newspapers, and magazines. The average in-state college tuition and fees for 4- year public college is $5836. There is a 3.8% probability of selecting a briefcase containing $1 million on the television show “Deal or No Deal.” The back-to-school student plans to spend, on average, $114.38 on electronics and computer- related items.
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Statistics is the science of conducting studies to collect, organize, summarize, analyze, and draw conclusions from data. Students study statistics for: To be able to read and understand the various statistical studies performed in your fields. To conduct research in your field, since statistical procedures are basic to research. To use the knowledge gained from studying statistics to become better consumers and citizens.
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Descriptive and Inferential Statistics To gain knowledge, statisticians collect information for variables, A
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