Researchers studied the effect of a houseplant fertilizer on carrot sprout growth. They randomly selected some carrot seeds to serve as controls, while others were planted in aluminum planters to which fertilizer sticks were added. Other conditions were held constant between the two groups. The following table shows data on the heights of plants (in cm) 2 weeks after germination. Use attest to investigate whether the fertilizer has an effect on average carrot sprout growth. Use a = 0.05. Control Fertilized 3.4 1.6 2.8 19 4.4 2.9 1.9 2.7 3.5 2.3 3.6 2.3 2.9 2.8 1.2 L8 2.7 2.5 2.4 2.7 2.6 2.3 2.2 2.6 3.7 16 3.6 1.3 2.7 1.6 1.2 3.0 2.3 3.0 0.9 1.4 2.0 2.3 1.5 1.2 1.8 3.2 2.4 2.6 2.3 2.0 1.7 18 2.4 2.6 1.4 1.7 2.5 2.4 1.8 1.5 28 28 2.58 2.04 0.65 0.72
Researchers studied the effect of a houseplant fertilizer on carrot sprout growth. They randomly selected some carrot seeds to serve as controls, while others were planted in aluminum planters to which fertilizer sticks were added. Other conditions were held constant between the two groups. The following table shows data on the heights of plants (in cm) 2 weeks after germination. Use attest to investigate whether the fertilizer has an effect on average carrot sprout growth. Use a = 0.05. Control Fertilized 3.4 1.6 2.8 19 4.4 2.9 1.9 2.7 3.5 2.3 3.6 2.3 2.9 2.8 1.2 L8 2.7 2.5 2.4 2.7 2.6 2.3 2.2 2.6 3.7 16 3.6 1.3 2.7 1.6 1.2 3.0 2.3 3.0 0.9 1.4 2.0 2.3 1.5 1.2 1.8 3.2 2.4 2.6 2.3 2.0 1.7 18 2.4 2.6 1.4 1.7 2.5 2.4 1.8 1.5 28 28 2.58 2.04 0.65 0.72
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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![Researchers studied the effect of a houseplant fertilizer on carrot sprout growth. They
randomly selected some carrot seeds to serve as controls, while others were planted in
aluminum planters to which fertilizer sticks were added. Other conditions were held
constant between the two groups. The following table shows data on the heights of
plants (in cm) 2 weeks after germination. Use attest to investigate whether the fertilizer
has an effect on average carrot sprout growth. Use a = 0.05.
Control
Fertilized
3.4
1.6
2.8
1.9
4.4
2.9
1.9
2.7
3.5
2.3
3.6
2.3
2.9
2.8
1.2
1.8
2.7
2.5
2.4
2.7
2.6
2.3
2.2
2.6
3.7
1.6
3.6
1.3
2.7
1.6
1.2
3.0
2.3
3.0
0.9
1.4
2.0
2.3
1.5
1.2
1.8
3.2
2.4
2.6
2,3
2.0
1.7
1.8
2.4
2.6
1.4
1.7
2.5
2.4
1.8
1.5
28
28
2.58
2.04
0.65
0.72](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1e490324-2037-4cf4-8af9-77704cef9dea%2Ff71617bb-6530-4853-a587-ffd61117f76c%2F4kkwq4b_processed.png&w=3840&q=75)
Transcribed Image Text:Researchers studied the effect of a houseplant fertilizer on carrot sprout growth. They
randomly selected some carrot seeds to serve as controls, while others were planted in
aluminum planters to which fertilizer sticks were added. Other conditions were held
constant between the two groups. The following table shows data on the heights of
plants (in cm) 2 weeks after germination. Use attest to investigate whether the fertilizer
has an effect on average carrot sprout growth. Use a = 0.05.
Control
Fertilized
3.4
1.6
2.8
1.9
4.4
2.9
1.9
2.7
3.5
2.3
3.6
2.3
2.9
2.8
1.2
1.8
2.7
2.5
2.4
2.7
2.6
2.3
2.2
2.6
3.7
1.6
3.6
1.3
2.7
1.6
1.2
3.0
2.3
3.0
0.9
1.4
2.0
2.3
1.5
1.2
1.8
3.2
2.4
2.6
2,3
2.0
1.7
1.8
2.4
2.6
1.4
1.7
2.5
2.4
1.8
1.5
28
28
2.58
2.04
0.65
0.72
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