7.52 Forest management. Forest rangers wanted to better understand the rate of growth for younger trees in the park. They took measurements of a random sample of 50 young trees in 2009 and again measured those same trees in 2019. The data below summarize their measurements, where the heights are in feet: I S n 2009 2019 Differences 24.5 12.5 9.5 50 12.0 3.5 50 7.2 50 Construct a 99% confidence interval for the average growth of (what had been) younger trees in the park over 2009-2019.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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7.52 Forest management. Forest rangers wanted to better understand the rate of growth for younger trees
in the park. They took measurements of a random sample of 50 young trees in 2009 and again measured
those same trees in 2019. The data below summarize their measurements, where the heights are in feet:
X
S
n
2009 2019 Differences
12.0 24.5
12.5
3.5
9.5
7.2
50
50
50
Construct a 99% confidence interval for the average growth of (what had been) younger trees in the park
over 2009-2019.
Transcribed Image Text:7.52 Forest management. Forest rangers wanted to better understand the rate of growth for younger trees in the park. They took measurements of a random sample of 50 young trees in 2009 and again measured those same trees in 2019. The data below summarize their measurements, where the heights are in feet: X S n 2009 2019 Differences 12.0 24.5 12.5 3.5 9.5 7.2 50 50 50 Construct a 99% confidence interval for the average growth of (what had been) younger trees in the park over 2009-2019.
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