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> WileyPLUS: MyWileyPLUS | Help | Contact Us | Log Out WileyPLUS Lock, Statistics: Unlocking the Power of Data, 2e ELEM STATISTICS (MATH 1342) Home Read, Study & Practice Assignment Gradebook ORION Downloadable eTextbook Read, Study & Practice > Chapter 4. Hypothesis Tests Select a Study Objective Select a Section FULL SCREEN PRINTER VERSION « ВАСК NEXT 4.104 Mercury Levels in Fish CHAPTER RESOURCES vReading Content Chapter 4 Opener 4.1 Introducing Hypothesis Tests 4.2 Measuring Evidence with P-VALUES 4.3 Determining Statistical Significance 4.4 A Closer Look at Testing 4.5 Making Connections Chapter 4 Summary ORION: Build your Proficiency Statkey Video Tutorials Video Solutions Student Solutions Manual Data Sets Software Manuals Interactive Lectures Figure 4.25 shows a scatterplot of the acidity (pH) for a sample of n = 53 Florida lakes vs the average mercury level (ppm) found in fish taken from each lake. The full dataset is introduced in Data 2.4 and is available in FloridaLakes. There appears to be a negative trend in the scatterplot, and we wish to test whether there is significant evidence of a negative association between pH and mercury levels. 1.4- 1.2 1.0 - 0.8 - 0.6 - 0.4 - 0.2 - 0.0- 3 4 5 6 7 8 COURSE RESOURCES pH Figure 4.25 Water pH vs mercury levels of fish in Florida lakes Video Tutorials Video Solutions License Agreement | Privacy Policy C© 2000-2021 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. Version 4.24.21.1 M • O 2:12 US AvgMercury "/>
Extracted text: Bb My Blackboard Content x B5 Section 4.2 Lecture Slic x W UTF-8"Quiz 5_Spring20 x O WileyPLUS Randomization Test for x b My Tutoring | bartleby x + b edugen.wileyplus.com/edugen/student/mainfr.uni Error : G RRISD O Chrome Web Store MAc home access CK eduphoria Blackboard 9 Schoology O google meets K Google Docs DA Desmos | Scientific. CK Peason/ PS book CK google classroom >> WileyPLUS: MyWileyPLUS | Help | Contact Us | Log Out WileyPLUS Lock, Statistics: Unlocking the Power of Data, 2e ELEM STATISTICS (MATH 1342) Home Read, Study & Practice Assignment Gradebook ORION Downloadable eTextbook Read, Study & Practice > Chapter 4. Hypothesis Tests Select a Study Objective Select a Section FULL SCREEN PRINTER VERSION « ВАСК NEXT 4.104 Mercury Levels in Fish CHAPTER RESOURCES vReading Content Chapter 4 Opener 4.1 Introducing Hypothesis Tests 4.2 Measuring Evidence with P-VALUES 4.3 Determining Statistical Significance 4.4 A Closer Look at Testing 4.5 Making Connections Chapter 4 Summary ORION: Build your Proficiency Statkey Video Tutorials Video Solutions Student Solutions Manual Data Sets Software Manuals Interactive Lectures Figure 4.25 shows a scatterplot of the acidity (pH) for a sample of n = 53 Florida lakes vs the average mercury level (ppm) found in fish taken from each lake. The full dataset is introduced in Data 2.4 and is available in FloridaLakes. There appears to be a negative trend in the scatterplot, and we wish to test whether there is significant evidence of a negative association between pH and mercury levels. 1.4- 1.2 1.0 - 0.8 - 0.6 - 0.4 - 0.2 - 0.0- 3 4 5 6 7 8 COURSE RESOURCES pH Figure 4.25 Water pH vs mercury levels of fish in Florida lakes Video Tutorials Video Solutions License Agreement | Privacy Policy C© 2000-2021 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. Version 4.24.21.1 M • O 2:12 US AvgMercury
> WileyPLUS: MyWileyPLUS | Help | Contact Us | Log Out WileyPLUS Lock, Statistics: Unlocking the Power of Data, 2e ELEM STATISTICS (MATH 1342) Home Read, Study & Practice Assignment Gradebook ORION Downloadable eTextbook Read, Study & Practice > Chapter 4. Hypothesis Tests Select a Section Select a Study Objective FULL SCREEN PRINTER VERSION 1 BACK NEXT CHAPTER RESOURCES 0.0 vReading Content Chapter 4 Opener 4.1 Introducing Hypothesis Tests 4.2 Measuring Evidence with P-VALUES 4.3 Determining Statistical Significance 4.4 A Closer Look at Testing 4.5 Making Connections Chapter 4 Summary ORION: Build your Proficiency Statkey Video Tutorials Video Solutions Student Solutions Manual Data Sets Software Manuals Interactive Lectures 3 7 8 9. pH Figure 4.25 Water pH vs mercury levels of fish in Florida lakes (a) What are the null and alternative hypotheses? (b) For these data, a statistical software package produces the following output: r =-0.575 p-value = 0.000017 Use the p-value to give the conclusion of the test. Include an assessment of the strength of the evidence and state your result in terms of rejecting or failing to reject Ho and in terms of pH and mercury. COURSE RESOURCES (c) Is this convincing evidence that low pH causes the average mercury level in fish to increase? Why or why not? Video Tutorials Video Solutions License Agreement | Privacy Policy C© 2000-2021 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. Version 4.24.21.1 M US 6 V 0 2:12 "/>
Extracted text: Bb My Blackboard Content x B5 Section 4.2 Lecture Slic x W UTF-8"Quiz 5_Spring20 x O WileyPLUS Randomization Test for x b My Tutoring | bartleby x + b edugen.wileyplus.com/edugen/student/mainfr.uni Error : G RRISD O Chrome Web Store MAc home access CK eduphoria Blackboard 9 Schoology O google meets K Google Docs DA Desmos | Scientific. CK Peason/ PS book CK google classroom >> WileyPLUS: MyWileyPLUS | Help | Contact Us | Log Out WileyPLUS Lock, Statistics: Unlocking the Power of Data, 2e ELEM STATISTICS (MATH 1342) Home Read, Study & Practice Assignment Gradebook ORION Downloadable eTextbook Read, Study & Practice > Chapter 4. Hypothesis Tests Select a Section Select a Study Objective FULL SCREEN PRINTER VERSION 1 BACK NEXT CHAPTER RESOURCES 0.0 vReading Content Chapter 4 Opener 4.1 Introducing Hypothesis Tests 4.2 Measuring Evidence with P-VALUES 4.3 Determining Statistical Significance 4.4 A Closer Look at Testing 4.5 Making Connections Chapter 4 Summary ORION: Build your Proficiency Statkey Video Tutorials Video Solutions Student Solutions Manual Data Sets Software Manuals Interactive Lectures 3 7 8 9. pH Figure 4.25 Water pH vs mercury levels of fish in Florida lakes (a) What are the null and alternative hypotheses? (b) For these data, a statistical software package produces the following output: r =-0.575 p-value = 0.000017 Use the p-value to give the conclusion of the test. Include an assessment of the strength of the evidence and state your result in terms of rejecting or failing to reject Ho and in terms of pH and mercury. COURSE RESOURCES (c) Is this convincing evidence that low pH causes the average mercury level in fish to increase? Why or why not? Video Tutorials Video Solutions License Agreement | Privacy Policy C© 2000-2021 John Wiley & Sons, Inc. All Rights Reserved. A Division of John Wiley & Sons, Inc. Version 4.24.21.1 M US 6 V 0 2:12