For the year 2006 , a large record company reported the following sales figures for various music media. Media Sales ($millions) CD 1477.3 CD single 1.8 MP3 65.9 Vinyl 2.6 Music video 531.4 Mini disc 0.3 DVD 108.2 Cassette 3.4 What kind of data is provided by the information in the first column? 1 Qualitative Quantitative

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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.