Grade1 Sex 12 11 12 9 ~~~~ 2 2 2 2 Ethnicity Grit Construct: Construct2 3 0.600917 0.585825 -0.18709 3 -0.18531 -0.23191 -0.67593 3 -0.10622 -0.12387 -0.44341 2 -1.39846 0.648792 -0.8301 A researcher in the field of educational research has collected test scores from a group of four students. X = [X1, X2, X3, X 4, X5, X6], compute the following questions by hand, then verify the results in R. Please copy/paste your R results. Please submit both R code and answers written by hand and the pasted R outputs. T over 2 a. The vector x₁ and the vector x¹ b. The dimensions of X C. X1 + X2
Grade1 Sex 12 11 12 9 ~~~~ 2 2 2 2 Ethnicity Grit Construct: Construct2 3 0.600917 0.585825 -0.18709 3 -0.18531 -0.23191 -0.67593 3 -0.10622 -0.12387 -0.44341 2 -1.39846 0.648792 -0.8301 A researcher in the field of educational research has collected test scores from a group of four students. X = [X1, X2, X3, X 4, X5, X6], compute the following questions by hand, then verify the results in R. Please copy/paste your R results. Please submit both R code and answers written by hand and the pasted R outputs. T over 2 a. The vector x₁ and the vector x¹ b. The dimensions of X C. X1 + X2
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![part1 Data
Grade1 Sex
12
11
12
9
2
2
2
2
Ethnicity Grit
Construct: Construct2
3
0.600917 0.585825 -0.18709
3 -0.18531 -0.23191 -0.67593
3 -0.10622 -0.12387 -0.44341
2 -1.39846 0.648792 -0.8301
A researcher in the field of educational research has
collected test scores from a group of four students.
X = [X1, X2, X3,X 4, X5, X6], compute the following questions
by hand, then verify the results in R.
Please copy/paste your R results.
Please submit both R code and answers written by hand
and the pasted R outputs.
a. The vector x₁1 and the vector x over 2
b. The dimensions of X
C. X1 + X2
d. The variance of x4
e. A = [X4, X5, X6]
f. 5 A
g. AT
h. ATA](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc65937de-b2d1-4931-95fe-39c1d929f721%2F611e2a0d-1d81-407c-9ef1-92bee3df0241%2F8vetnti_processed.jpeg&w=3840&q=75)
Transcribed Image Text:part1 Data
Grade1 Sex
12
11
12
9
2
2
2
2
Ethnicity Grit
Construct: Construct2
3
0.600917 0.585825 -0.18709
3 -0.18531 -0.23191 -0.67593
3 -0.10622 -0.12387 -0.44341
2 -1.39846 0.648792 -0.8301
A researcher in the field of educational research has
collected test scores from a group of four students.
X = [X1, X2, X3,X 4, X5, X6], compute the following questions
by hand, then verify the results in R.
Please copy/paste your R results.
Please submit both R code and answers written by hand
and the pasted R outputs.
a. The vector x₁1 and the vector x over 2
b. The dimensions of X
C. X1 + X2
d. The variance of x4
e. A = [X4, X5, X6]
f. 5 A
g. AT
h. ATA
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