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An everyday example of regression to the mean involves an amateur bowler who typically averages a score of $$150$$. If she suddenly bowls an exceptionally high game of $$220$$, statistical probability suggests her next game will be significantly lower, regressing back toward her long-term average of $$150$$. This natural fluctuation demonstrates how extreme performances or scores are usually followed by more typical, average results, rather than indicating a permanent improvement or decline.

Example of Regression to the Mean

According to the concept of regression to the mean, if an amateur bowler with a typical average of 150 suddenly bowls an exceptionally high game of 220, what is most likely to happen in her next game?

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