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Math

Statistics

A random sample of 12 pledges to a public radio fundraiser revealed the following dollar pledges: 75 60 35 90 100 125 75 85 50 100 50 80

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.5: Interpreting Data

Problem 1C

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Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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A random sample of 12 pledges to a public radio fundraiser revealed the following dollar
pledges:
75
60
35
90
100
125
75
85
50
100
50
80

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