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  1. mathematics
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  3. consider the following data collected from a sampl

Consider the following data collected from a sample of 12 American black bears: Length (cm) 139.0 138.0 139.0 120.5 149.0 141.0 141.0 150.0 166.0 151.5 129.5 150.0 Weight (kg) 110 60 90 60 85 100 95 85 155 140 105 110 (a) Sketch...

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Question

Basic Math

Consider the following data collected from a sample of 12American black bears:

Length (cm)

139.0

138.0

139.0

120.5

149.0

141.0

141.0

150.0

166.0

151.5

129.5

150.0

Weight (kg)

110

60

90

60

85

100

95

85

155

140

105

110

(a) Sketch a scatterplot of the data. Treat length as theexplanatory variable. Describe the association.

(b) Construct the equation for the line of best fit.

(c) Estimate the weight of a bear which measures 142.5 cm inlength.

(d) What percent of the variation in the bears’ weights can bedescribed by the differences in their lengths?

Answer & Explanation Solved by verified expert
3.6 Ratings (376 Votes)
Length XWeight YX    See Answer
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