15. Fitness Trackers You can monitor every step you take, your speed, your pace, or some other aspect of your daily activity. The data that follows lists the overall rating scores for 14 fitness trackers and their prices

a. Use a scatterplot to check for a relationship between the rating scores and prices for the fitness trackers.

b. Find the best fitting line used to predict the score of a fitness tracker based on its price.

c. What would you conclude about the effectiveness of using linear regression in this situation?

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Fitness Trackers Fitbit Surge Score Price ($) TomTom Spark 3 Garmin Forerunner 38 888 87 250 85 250 85 200 TomTom Spark 84 200 Fitbit Charge 2 83 150 Garmin Vivosmart HR 83 120 Fitbit Blaze 82 200 Huawei Fit 82 130 Garmin Vivosmart HR+ 79 180 Withings Steel HR 79 145 Fitbit Alta 78 130 Garmin Vivoactive HR 77 250 Samsung Gear Fit 2 76 180 Under Armour Band 74 80