![]() If we take a random pool of 150 speeding tickets given to either red or blue cars in our town, we would expect 100 to be for red cars and 50 to be for blue cars if our town's police force gives tickets according to the national bias.ĭetermine your experiment's observed results. We want to find out whether or not the police in our town also demonstrate this bias by analyzing speeding tickets given by our town's police. Let's say the average results nationally show a 2:1 preference for red cars. Example: Let's say prior studies have shown that, nationally, speeding tickets are given more often to red cars than they are to blue cars.For your experiment, determine your expected results and express them as a number. This can be based on past experimental results, trusted sets of observational data, scientific literature, and/or other sources. Usually, when scientists conduct an experiment and observe the results, they have an idea of what "normal" or "typical" results will look like beforehand. Determine your experiment's expected results.
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