Practice problem

Sketching the Line of Best Fit: Equation

Scatter plot of age of the customer vs. star rating. The trend line given is y = -0.12x + 7.43

The equation of the given trend line is y=−0.12x+7.43y = -0.12x + 7.43. According to the trend, what rating would a 2727 year old customer give the smartphone? Round to the nearest half-star.

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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