To sociologists have grant money to study School busing in aparticular city they wish to conduct an opinion survey using 700 telephone contacts and 360 house contacts survey company a has personnel to do 20 telephone and 10 houses contacts per our survey company D can handle 28 telephone and 16 house contacts per hour how many hours should be scheduled for each firm to produce exactly the number of contacts needed

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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.