65 Height (inches) 60 70 75 Number 1 3 15 2 9 9 7 12 4 6 7 4 2 4 2 2 1 1 of students (a) 14 - 12 - (66 inches, 9 students) Normal distribution 10 curve 60 65 70 75 (b) Height in inches Number of students 00

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Normal distribution of a quantitative trait. (a) The distribution of heights in 82 college students. (b) A frequency distribution for the heights of students shown in (a).

 

Is height a discontinuous (discrete) trait, or does it follow a continuum?

65
Height
(inches)
60
70
75
Number
1 3 15 2 9 9 7 12 4 6 7 4 2 4
2 2 1 1
of students
(a)
14 -
12 -
(66 inches,
9 students)
Normal
distribution
10
curve
60
65
70
75
(b)
Height in inches
Number of students
00
Transcribed Image Text:65 Height (inches) 60 70 75 Number 1 3 15 2 9 9 7 12 4 6 7 4 2 4 2 2 1 1 of students (a) 14 - 12 - (66 inches, 9 students) Normal distribution 10 curve 60 65 70 75 (b) Height in inches Number of students 00
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