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Base your answers to questions 1 to 4 on the data table below which contains measurements of DO levels from top and bottom samples. Trials Top DO Trials Bottom DO Sample (mg/L) Sample (mg/L) 1 11 1 7 2 10 2 8 3 9 3 9 4 12 4 7 5 8 5 9 6 10 6 8 Total 60 Total 48 Av. 10 Av. 8

Base your answers to questions 1 to 4 on the data table below which contains measurements of DO levels from top and bottom samples. Trials Top DO Trials Bottom DO Sample (mg/L) Sample (mg/L) 1 11 1 7 2 10 2 8 3 9 3 9 4 12 4 7 5 8 5 9 6 10 6 8 Total 60 Total 48 Av. 10 Av. 8

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Base your answers to questions 1 to 4 on the data table below which contains measurements of DO levels from top and bottom samples. Trials Trials Top DO Sample (mg/L) Bottom DO Sample (mg/L) 1 11 1 7 2 10 8 9 9 12 7 8 9 6 10 6 8 60 48 Total Av. Total Av. 10 8 1. The results of the experiment shows that 1) The bottom sample had a higher DO level on average than the top 2) The top sample had a lower DO level on average than the bottom 3) The DO levels in the top and bottom sample were the same on average 4) The DO level, on average, was higher on the top than on the bottom 2. What part of the scientific method is represented by the data table? 1) hypothesis 2) materials 3) results 4) conclusion X 3. Which statement represents a valid conclusion that can be drawn from this experiment? 1) The hypothesis is not supported by the data 2) The student's hypothesis is supported by the data 3) The student's hypothesis is not stated correctly 4) There is insufficient data to draw any tentative conclusions 4. What recommendation would you make to check and verify the results of this experiment? 1) repeat the experiment over again with fewer trials 2) Repeat the experiment over again but include more trials 3) Change the sampling site 4) Use two different types of equipment to test for DO 345 2345 3 4
Transcribed Image Text:Base your answers to questions 1 to 4 on the data table below which contains measurements of DO levels from top and bottom samples. Trials Trials Top DO Sample (mg/L) Bottom DO Sample (mg/L) 1 11 1 7 2 10 8 9 9 12 7 8 9 6 10 6 8 60 48 Total Av. Total Av. 10 8 1. The results of the experiment shows that 1) The bottom sample had a higher DO level on average than the top 2) The top sample had a lower DO level on average than the bottom 3) The DO levels in the top and bottom sample were the same on average 4) The DO level, on average, was higher on the top than on the bottom 2. What part of the scientific method is represented by the data table? 1) hypothesis 2) materials 3) results 4) conclusion X 3. Which statement represents a valid conclusion that can be drawn from this experiment? 1) The hypothesis is not supported by the data 2) The student's hypothesis is supported by the data 3) The student's hypothesis is not stated correctly 4) There is insufficient data to draw any tentative conclusions 4. What recommendation would you make to check and verify the results of this experiment? 1) repeat the experiment over again with fewer trials 2) Repeat the experiment over again but include more trials 3) Change the sampling site 4) Use two different types of equipment to test for DO 345 2345 3 4
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