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A fitness instructor wants to understand the relationship between her heart rate during a workout and...

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Statistics

A fitness instructor wants to understand the relationshipbetween her heart rate during a workout and the calories burned perminute during the workout. She recorded these two measurements overthe course of several workouts. StatCrunch was used to create theoutput below:

For any numeric responses, round your answers to four decimalplaces.

  1. Use the regression equation to provide a point estimate for aworkout when the average heart rate is 150 beats per minute: y=
  2. The fitness instructor would like to estimate the number ofcalories burned during a workout when her heart rate is 150 beatsper minute. Which interval would be the most appropriate toprovide?
    • prediction interval
    • confidence interval
  3. Interpret the interval you selected in part b: With 95%confidence, we estimate the Select an answer number of caloriesburned during a workout mean number of calories burned during allworkouts  is between  and  when theaverage heart rate is  beats per minute.

Answer & Explanation Solved by verified expert
3.9 Ratings (740 Votes)
AnsweraThe model isy 00614x17339Predicted value for X 150 isy 0061415017339 74761bHere we need to make a confidence interval for predicted valueof number of calories for an    See Answer
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