8.3 The table below shows a different random sampling of 20 cell phone models. Use this data to calculate a 93% confidence interval for the true mean SAR for cell phones certified for use in the US....


8.3 The table below shows a different random sampling of 20 cell phone models. Use this data to<br>calculate a 93% confidence interval for the true mean SAR for cell phones certified for use in the US. As<br>previously, assume that the population standard deviation is o = 0.337.<br>Phone Model<br>SAR<br>Phone Model<br>SAR<br>Blackberry Pearl 8120<br>HTC Evo Design 4G<br>1.48<br>Nokia E71x<br>1.53<br>0.8<br>Nokia N75<br>0.68<br>HTC Freestyle<br>LG Ally<br>1.15<br>Nokia N79<br>1.4<br>Sagem Puma<br>Samsung Fascinate<br>Samsung Infuse 4G<br>Samsung Nexus S<br>Samsung Replenish<br>Sony W518a Walkman<br>ZTE C79<br>1.36<br>1.24<br>LG Fathom<br>0.77<br>0.57<br>LG Optimus Vu<br>0.462<br>0.2<br>Motorola Cliq XT<br>1.36<br>0.51<br>Motorola Droid Pro<br>1.39<br>0.3<br>Motorola Droid Razr M<br>1.3<br>0.73<br>Nokia 7705 Twist<br>0.7<br>0.869<br>Solution A<br>Solution B<br>Interpretation<br>

Extracted text: 8.3 The table below shows a different random sampling of 20 cell phone models. Use this data to calculate a 93% confidence interval for the true mean SAR for cell phones certified for use in the US. As previously, assume that the population standard deviation is o = 0.337. Phone Model SAR Phone Model SAR Blackberry Pearl 8120 HTC Evo Design 4G 1.48 Nokia E71x 1.53 0.8 Nokia N75 0.68 HTC Freestyle LG Ally 1.15 Nokia N79 1.4 Sagem Puma Samsung Fascinate Samsung Infuse 4G Samsung Nexus S Samsung Replenish Sony W518a Walkman ZTE C79 1.36 1.24 LG Fathom 0.77 0.57 LG Optimus Vu 0.462 0.2 Motorola Cliq XT 1.36 0.51 Motorola Droid Pro 1.39 0.3 Motorola Droid Razr M 1.3 0.73 Nokia 7705 Twist 0.7 0.869 Solution A Solution B Interpretation

Jun 11, 2022
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