Acrylic bone cement is commonly used in total joint replacement to secure the artificial joint. Data on the force (measured in Newtons, N) required to break a cement bond was determined under two different temperature conditions and in two different mediums appear in the following table. Temperature Medium Data on Breaking Force 22 degrees Dry 100.5, 142.6, 194.8, 118.4, 176.1, 213.1 37 degrees 22 degrees Dry Wet 303.3, 339.1, 288.8, 306.8, 305.2, 327.5 385.4, 367.2, 322.6, 307.4, 357.9, 321.4 37 degrees Wet 363.6, 376.8, 327.7, 331.9, 338.1, 394.6 (a) Estimate the difference between the mean breaking force in a dry medium at 37 degrees and the mean breaking force at the same temperature in a wet medium using a 90% confidence interval. (Round your answers to one decimal place.) × X )

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Acrylic bone cement is commonly used in total joint replacement to secure the artificial joint. Data on the force (measured
in Newtons, N) required to break a cement bond was determined under two different temperature conditions and in two
different mediums appear in the following table.
Temperature Medium
Data on Breaking Force
22 degrees
Dry
100.5, 142.6, 194.8, 118.4, 176.1, 213.1
37 degrees
22 degrees
Dry
Wet
303.3, 339.1, 288.8, 306.8, 305.2, 327.5
385.4, 367.2, 322.6, 307.4, 357.9, 321.4
37 degrees
Wet
363.6, 376.8, 327.7, 331.9, 338.1, 394.6
(a) Estimate the difference between the mean breaking force in a dry medium at 37 degrees and the mean
breaking force at the same temperature in a wet medium using a 90% confidence interval. (Round your answers to
one decimal place.)
×
X )
Transcribed Image Text:Acrylic bone cement is commonly used in total joint replacement to secure the artificial joint. Data on the force (measured in Newtons, N) required to break a cement bond was determined under two different temperature conditions and in two different mediums appear in the following table. Temperature Medium Data on Breaking Force 22 degrees Dry 100.5, 142.6, 194.8, 118.4, 176.1, 213.1 37 degrees 22 degrees Dry Wet 303.3, 339.1, 288.8, 306.8, 305.2, 327.5 385.4, 367.2, 322.6, 307.4, 357.9, 321.4 37 degrees Wet 363.6, 376.8, 327.7, 331.9, 338.1, 394.6 (a) Estimate the difference between the mean breaking force in a dry medium at 37 degrees and the mean breaking force at the same temperature in a wet medium using a 90% confidence interval. (Round your answers to one decimal place.) × X )
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