4. (1.5) The following shows the ice cream sales based on the temperature at noon. Temperature in Fahrenheit Sales ($) 60 50 75 95 62 40 80 525 541 850 959 701 237 812 a. Use your calculator to find the line of best fit (The Regression Line). b. Estimate the sales based on a temperature of 85 degrees Fahrenheit by using your Regression Line equation from part a.

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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.