Click this link to download the spreadsheet for use in this activity. Jump to level 1 The famous iris dataset (the first sheet of the spreadsheet linked above) was first published in 1936 by Ronald Fisher. The dataset contains 50 samples from 3 iris species: setosa, virginia, and versicolor. Four features are measured, all in cm: sepal length, sepal width, petal length, and petal width. What is the equation for the least square regression line where the independent or predictor variable is sepal length and the dependent or response variable is sepal width for iris versicolor? ý = Ex: 1.234 x+ Ex: 1.234 What is the predicted sepal width for iris versicolor for a flower with a sepal length of 4.91? Ex: 5.12 cm D-D.

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Click this link to download the spreadsheet for use in this activity.
Jump to level 1
The famous iris dataset (the first sheet of the spreadsheet linked above) was first published in 1936 by Ronald
Fisher. The dataset contains 50 samples from 3 iris species: setosa, virginia, and versicolor. Four features are
measured, all in cm: sepal length, sepal width, petal length, and petal width.
What is the equation for the least square regression line where the independent or predictor variable is sepal
length and the dependent or response variable is sepal width for iris versicolor?
= Ex: 1.234
x+ Ex: 1.234
What is the predicted sepal width for iris versicolor for a flower with a sepal length of 4.91?
Ex: 5.12
cm
D- D"
Transcribed Image Text:Click this link to download the spreadsheet for use in this activity. Jump to level 1 The famous iris dataset (the first sheet of the spreadsheet linked above) was first published in 1936 by Ronald Fisher. The dataset contains 50 samples from 3 iris species: setosa, virginia, and versicolor. Four features are measured, all in cm: sepal length, sepal width, petal length, and petal width. What is the equation for the least square regression line where the independent or predictor variable is sepal length and the dependent or response variable is sepal width for iris versicolor? = Ex: 1.234 x+ Ex: 1.234 What is the predicted sepal width for iris versicolor for a flower with a sepal length of 4.91? Ex: 5.12 cm D- D"
A
В
C
E
F
G
J
K
L
1
2 Sepal length Sepal width Species
7
3.2 Iris-versicolor
4
6.4
3.2 Iris-versicolor
6.9
3.1 Iris-versicolor
'Sepal width' by 'Sepal length'
5.5
2.3 Iris-versicolor
4
7
6.5
2.8 Iris-versicolor
8
5.7
2.8 Iris-versicolor
3.5
6.3
3.3 Iris-versicolor
10
4.9
2.4 Iris-versicolor
3
11
6.6
2.9 Iris-versicolor
2.5
12
5.2
2.7 Iris-versicolor
13
2 Iris-versicolor
2
14
5.9
3 Iris-versicolor
1.5
15
2.2 Iris-versicolor
16
6.1
2.9 Iris-versicolor
1
17
5.6
2.9 Iris-versicolor
18
6.7
3.1 Iris-versicolor
0.5
19
5.6
3 Iris-versicolor
20
21
5.8
2.7 Iris-versicolor
1
2
3
4.
6
7
6.2
2.2 Iris-versicolor
Sepal length
22
5.6
2.5 Iris-versicolor
23
24
5.9
3.2 Iris-versicolor
6.1
2.8 Iris-versicolor
25
26
27
6.3
2.5 Iris-versicolor
6.1
2.8 Iris-versicolor
6.4
2.9 Iris-versicolor
28
29
6.6
3 Iris-versicolor
6.8
2.8 Iris-versicolor
30
6.7
3 Iris-versicolor
31
6.
2.9 Iris-versicolor
32
5.7
2.6 Iris-versicolor
33
5.5
2.4 Iris-versicolor
34
5.5
2.4 Iris-versicolor
35
5.8
2.7 Iris-versicolor
36
6.
2.7 Iris-versicolor
37
5.4
3 Iris-versicolor
38
3.4 Iris-versicolor
39
6.7
3.1 Iris-versicolor
40
41
6.3
2.3 Iris-versicolor
5.6
3 Iris-versicolor
42
43
5.5
2.5 Iris-versicolor
5.5
2.6 Iris-versicolor
44
6.1
3 Iris-versicolor
45
46
5.8
2.6 Iris-versicolor
2.3 Iris-versicolor
47
5.6
2.7 Iris-versicolor
48
5.7
3 Iris-versicolor
49
5.7
2.9 Iris-versicolor
50
51
52
6.2
2.9 Iris-versicolor
5.1
2.5 Iris-versicolor
5.7
2.8 Iris-versicolor
53
54.
Sepal width
Transcribed Image Text:A В C E F G J K L 1 2 Sepal length Sepal width Species 7 3.2 Iris-versicolor 4 6.4 3.2 Iris-versicolor 6.9 3.1 Iris-versicolor 'Sepal width' by 'Sepal length' 5.5 2.3 Iris-versicolor 4 7 6.5 2.8 Iris-versicolor 8 5.7 2.8 Iris-versicolor 3.5 6.3 3.3 Iris-versicolor 10 4.9 2.4 Iris-versicolor 3 11 6.6 2.9 Iris-versicolor 2.5 12 5.2 2.7 Iris-versicolor 13 2 Iris-versicolor 2 14 5.9 3 Iris-versicolor 1.5 15 2.2 Iris-versicolor 16 6.1 2.9 Iris-versicolor 1 17 5.6 2.9 Iris-versicolor 18 6.7 3.1 Iris-versicolor 0.5 19 5.6 3 Iris-versicolor 20 21 5.8 2.7 Iris-versicolor 1 2 3 4. 6 7 6.2 2.2 Iris-versicolor Sepal length 22 5.6 2.5 Iris-versicolor 23 24 5.9 3.2 Iris-versicolor 6.1 2.8 Iris-versicolor 25 26 27 6.3 2.5 Iris-versicolor 6.1 2.8 Iris-versicolor 6.4 2.9 Iris-versicolor 28 29 6.6 3 Iris-versicolor 6.8 2.8 Iris-versicolor 30 6.7 3 Iris-versicolor 31 6. 2.9 Iris-versicolor 32 5.7 2.6 Iris-versicolor 33 5.5 2.4 Iris-versicolor 34 5.5 2.4 Iris-versicolor 35 5.8 2.7 Iris-versicolor 36 6. 2.7 Iris-versicolor 37 5.4 3 Iris-versicolor 38 3.4 Iris-versicolor 39 6.7 3.1 Iris-versicolor 40 41 6.3 2.3 Iris-versicolor 5.6 3 Iris-versicolor 42 43 5.5 2.5 Iris-versicolor 5.5 2.6 Iris-versicolor 44 6.1 3 Iris-versicolor 45 46 5.8 2.6 Iris-versicolor 2.3 Iris-versicolor 47 5.6 2.7 Iris-versicolor 48 5.7 3 Iris-versicolor 49 5.7 2.9 Iris-versicolor 50 51 52 6.2 2.9 Iris-versicolor 5.1 2.5 Iris-versicolor 5.7 2.8 Iris-versicolor 53 54. Sepal width
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