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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![(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?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F86c6f7a2-ba2e-4bde-983f-206d028bfa6d%2F36c7be2b-64c2-4791-8f16-4e211e6c7b90%2Fgpqaxv_processed.jpeg&w=3840&q=75)
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F86c6f7a2-ba2e-4bde-983f-206d028bfa6d%2F36c7be2b-64c2-4791-8f16-4e211e6c7b90%2Fehpswqi_processed.jpeg&w=3840&q=75)
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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