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1. A group of data entry clerks had the following results in a keyboarding test: Speed (words/min) 44 65 55 28 45 71 50 #of errors 5 3 3 6 11 2 4 (a) (Communication ) Create a scatter plot and classify the lincar correlation, removing any outliers. (b) (Knowledge) Show the outlier in the graph by circling the point. (c) (Thinking )Fill out one of the tables below x y x-x y-y (x-x)² (-)²(x-x)(-) X= y = TOTALS: Alternative table (Check your formula sheet for appropriate formulas using the table below): X V 1² Σ= |Σ= ΙΣ= Σ= ΣΕ ΟΛΟΥ CET IN (d) (Thinking, Communication ) Calculate the regression equation y, given that a = - WR7 Σ(x-x)(-). Σ(x-x)²

1. A group of data entry clerks had the following results in a keyboarding test: Speed (words/min) 44 65 55 28 45 71 50 #of errors 5 3 3 6 11 2 4 (a) (Communication ) Create a scatter plot and classify the lincar correlation, removing any outliers. (b) (Knowledge) Show the outlier in the graph by circling the point. (c) (Thinking )Fill out one of the tables below x y x-x y-y (x-x)² (-)²(x-x)(-) X= y = TOTALS: Alternative table (Check your formula sheet for appropriate formulas using the table below): X V 1² Σ= |Σ= ΙΣ= Σ= ΣΕ ΟΛΟΥ CET IN (d) (Thinking, Communication ) Calculate the regression equation y, given that a = - WR7 Σ(x-x)(-). Σ(x-x)²

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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(e) (Thinking, Communication) Find the correlation coefficient r = Σ(x-x)(y-y) √(x-x)²Σ(v-² (f) (Communication) What does your analysis tell you about the relationship between speed and accuracy for this group of data entry clerks?
Transcribed Image Text:(e) (Thinking, Communication) Find the correlation coefficient r = Σ(x-x)(y-y) √(x-x)²Σ(v-² (f) (Communication) What does your analysis tell you about the relationship between speed and accuracy for this group of data entry clerks?
1. A group of data entry clerks had the following results in a keyboarding test: Speed (words/min) 44 65 55 28 45 71 50 #of errors 5 3 3 6 11 2 4 (a) (Communication ) Create a scatter plot and classify the linear correlation, removing any outliers. (b) (Knowledge) Show the outlier in the graph by circling the point. (c) (Thinking )Fill out one of the tables below x y x-x y-y (x-x)² (v-)²(x-x)(y-7) x= y = PL TOTALS: Alternative table (Check your formula sheet for appropriate formulas using the table below): y y² Σ= Σ= Σ= C (d) (Thinking, Communication ) Calculate the regression equation y, given that a = - Σ(x-x)(y-D) Σ(x-x)² W3C7
Transcribed Image Text:1. A group of data entry clerks had the following results in a keyboarding test: Speed (words/min) 44 65 55 28 45 71 50 #of errors 5 3 3 6 11 2 4 (a) (Communication ) Create a scatter plot and classify the linear correlation, removing any outliers. (b) (Knowledge) Show the outlier in the graph by circling the point. (c) (Thinking )Fill out one of the tables below x y x-x y-y (x-x)² (v-)²(x-x)(y-7) x= y = PL TOTALS: Alternative table (Check your formula sheet for appropriate formulas using the table below): y y² Σ= Σ= Σ= C (d) (Thinking, Communication ) Calculate the regression equation y, given that a = - Σ(x-x)(y-D) Σ(x-x)² W3C7
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