2. In a study of absolute errors in active versus passive arm positioning, an investigator collected data (in centimeters) on 20 college-age subjects (from the motor learning laboratory, California State University Northridge, courtesy of Tami Abourezk). Does a significant difference exist in the errors in arm positioning made by the active group (N1 = 10) compared with those made by the passive group (N2 = 10), Calculate the Paired t-test for the two groups. • Group One Active Positioning: 2.65, 2.42, 3.30, 0.19, 1.25, 2.0, 3.34, 4.08, 0.70, 2.89 • Group Two Passive Positioning: 3.30, 2.00, 0.09, 0.04, 4.56, 3.33, 1.02, 0.89, 2.78, 1.65 Provide the following information: The two-tailed P value, The mean of Group 1 and Group 2, Standard Deviation, and Standard Error of Mean for each group. Answer the following question: Does a significant difference exist in the errors in arm positioning made by the Active Group compared with those made by the Passive Group. Support your answer.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
Section10.3: Measures Of Spread
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2. In a study of absolute errors in active versus passive arm positioning, an investigator collected data (in centimeters) on 20 college-age
subjects (from the motor learning laboratory, California State University Northridge, courtesy of Tami Abourezk). Does a significant
difference exist in the errors in arm positioning made by the active group (N1 = 10) compared with those made by the passive group (N2
= 10). Calculate the Paired t-test for the two groups.
o Group One Active Positioning: 2.65, 2.42, 3.30, 0.19, 1.25, 2.0, 3.34, 4.08, 0.70, 2.89
o Group Two Passive Positioning: 3.30, 2.00, 0.09, 0.04, 4.56, 3.33, 1.02, 0.89, 2.78, 1.65
Provide the following information: The two-tailed P value, The mean of Group 1 and Group 2, Standard Deviation, and Standard
Error of Mean for each group.
Answer the following question: Does a significant difference exist in the errors in arm positioning made by the Active Group
compared with those made by the Passive Group. Support your answer.
Transcribed Image Text:2. In a study of absolute errors in active versus passive arm positioning, an investigator collected data (in centimeters) on 20 college-age subjects (from the motor learning laboratory, California State University Northridge, courtesy of Tami Abourezk). Does a significant difference exist in the errors in arm positioning made by the active group (N1 = 10) compared with those made by the passive group (N2 = 10). Calculate the Paired t-test for the two groups. o Group One Active Positioning: 2.65, 2.42, 3.30, 0.19, 1.25, 2.0, 3.34, 4.08, 0.70, 2.89 o Group Two Passive Positioning: 3.30, 2.00, 0.09, 0.04, 4.56, 3.33, 1.02, 0.89, 2.78, 1.65 Provide the following information: The two-tailed P value, The mean of Group 1 and Group 2, Standard Deviation, and Standard Error of Mean for each group. Answer the following question: Does a significant difference exist in the errors in arm positioning made by the Active Group compared with those made by the Passive Group. Support your answer.
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