Chapter_01 - Chapter 1 Picturing Distributions with Graphs...

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BPS - 5th Ed. Chapter 1 1 Chapter 1 Picturing Distributions with Graphs
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BPS - 5th Ed. Chapter 1 2 Statistics Statistics is a science that involves the extraction of information from numerical data obtained during an experiment or from a sample. It involves the design of the experiment or sampling procedure, the collection and analysis of the data, and making inferences (statements) about the population based upon information in a sample.
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BPS - 5th Ed. Chapter 1 3 Individuals and Variables Individuals the objects described by a set of data may be people, animals, or things Variable any characteristic of an individual can take different values for different individuals
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BPS - 5th Ed. Chapter 1 4 Variables Categorical Places an individual into one of several groups or categories Quantitative (Numerical) Takes numerical values for which arithmetic operations such as adding and averaging make sense
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BPS - 5th Ed. Chapter 1 5 Case Study The Effect of Hypnosis on the Immune System reported in Science News , Sept. 4, 1993, p. 153
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BPS - 5th Ed. Chapter 1 6 Case Study The Effect of Hypnosis on the Immune System Objective: To determine if hypnosis strengthens the disease-fighting capacity of immune cells.
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BPS - 5th Ed. Chapter 1 7 Case Study 65 college students. 33 easily hypnotized 32 not easily hypnotized white blood cell counts measured all students viewed a brief video about the immune system.
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BPS - 5th Ed. Chapter 1 8 Case Study Students randomly assigned to one of three conditions subjects hypnotized, given mental exercise subjects relaxed in sensory deprivation tank control group (no treatment)
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BPS - 5th Ed. Chapter 1 9 Case Study white blood cell counts re-measured after one week the two white blood cell counts are compared for each group results hypnotized group showed larger jump in white blood cells “easily hypnotized” group showed largest immune enhancement
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BPS - 5th Ed. Chapter 1
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Chapter_01 - Chapter 1 Picturing Distributions with Graphs...

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