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2.1 Mariana, a researcher at the World Health Organisation (WHO), collects information on weekly study hours (HOURS) and blood pressure when writing a test (BLOOD) from a sample of university students across the country, before running the regression BLOOD = f(STUDY). She collects data from 5 students as listed below: X (STUDY) 1 2 3 4 8 Y (BLOOD) 140 128 125 123 90 2.1.1 By using the OLS method and the information above derive the values for parameters B₁ and B2. 2.1.2 Derive the RSS and TSS (sum of squares for the residuals). 2.1.3 Hence, calculate the correlation coefficient

2.1 Mariana, a researcher at the World Health Organisation (WHO), collects information on weekly study hours (HOURS) and blood pressure when writing a test (BLOOD) from a sample of university students across the country, before running the regression BLOOD = f(STUDY). She collects data from 5 students as listed below: X (STUDY) 1 2 3 4 8 Y (BLOOD) 140 128 125 123 90 2.1.1 By using the OLS method and the information above derive the values for parameters B₁ and B2. 2.1.2 Derive the RSS and TSS (sum of squares for the residuals). 2.1.3 Hence, calculate the correlation coefficient

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Please all the 3 of these sub-questions. Make sure answer is rounded up to 4 decimals

2.1 Mariana, a researcher at the World Health Organisation (WHO), collects information on weekly study hours (HOURS) and blood pressure when writing a test (BLOOD) from a sample of university students across the country, before running the regression BLOOD = f(STUDY). She collects data from 5 students as listed below: X (STUDY) 1 2 3 4 8 Y (BLOOD) 140 128 125 123 90 2.1.1 By using the OLS method and the information above derive the values for parameters B₁ and B2. 2.1.2 Derive the RSS and TSS (sum of squares for the residuals). 2.1.3 Hence, calculate the correlation coefficient
Transcribed Image Text:2.1 Mariana, a researcher at the World Health Organisation (WHO), collects information on weekly study hours (HOURS) and blood pressure when writing a test (BLOOD) from a sample of university students across the country, before running the regression BLOOD = f(STUDY). She collects data from 5 students as listed below: X (STUDY) 1 2 3 4 8 Y (BLOOD) 140 128 125 123 90 2.1.1 By using the OLS method and the information above derive the values for parameters B₁ and B2. 2.1.2 Derive the RSS and TSS (sum of squares for the residuals). 2.1.3 Hence, calculate the correlation coefficient
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