Formulas needed: Range (R) = maximum – minimum (Use the same no. of decimal places as original data.) No. of phenotypic classes (K) = 1 + 3.3logn (Round up answer to an integer. Number may still be increased or decreased as needed.) n = total no. of values in sample data Class interval (CI) = R/K Use final answers for R and K in computation. For the final answer, use the same no. of decimal places as original data. The Cl represents the difference between the lower limits of two consecutive phenotypic classes. Shoot Length of F₁ (cm) Shoot Length of F₂ (cm) 37.9 34.3 35.4 37.4 34.9 29.7 48.2 39 26.7 38.1 35.6 33.7 34.8 34.9 36.7 36.1 51 35.6 33.4 34.8 33.7 32.4 36 33.8 40.5 43.8 34.8 42.2 30.7 41.2 34 31.8 35.7 28.4 35 49.8 44.8 42.8 48.7 40.7 35.2 35 35.6 34.3 34.1 50.1 40.6 38.2 26 34.8 ALT

Biomedical Instrumentation Systems
1st Edition
ISBN:9781133478294
Author:Chatterjee
Publisher:Chatterjee
Chapter13: Artifacts And Noise In Medical Instrumentation
Section: Chapter Questions
Problem 7P
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The phenotypic data below are the shoot lengths of 25 F1 and 25 F2 rice plants at seedling stage, produced from the cross of IR29 and Hasawi rice varieties. The mean lengths of the shoot from IR29 and Hasawi are 23.1 cm and 46.7 cm, respectively. Tabulate and plot the frequency distributions of the F1 and F2 generations. Use the formulas below in the computations. From each distribution calculate the mean, the variance, and the standard error of the mean. Round off answers to two decimal places. What is the main difference between F1 and F2 distributions?

Formulas needed:
Range (R) = maximum – minimum (Use the same no. of decimal places as original data.)
No. of phenotypic classes (K) = 1 + 3.3logn (Round up answer to an integer. Number may
still be increased or decreased as needed.)
n = total no. of values in sample data
Class interval (CI) = R/K
Use final answers for R and K in computation. For the final answer, use the same no. of
decimal places as original data. The Cl represents the difference between the lower limits of
two consecutive phenotypic classes.
Shoot Length of F₁ (cm)
Shoot Length of F₂ (cm)
37.9
34.3
35.4 37.4
34.9
29.7
48.2
39
26.7
38.1
35.6
33.7
34.8 34.9
36.7
36.1
51
35.6
33.4
34.8
33.7 32.4
36
33.8
40.5
43.8 34.8 42.2
30.7
41.2
34
31.8 35.7
28.4
35
49.8
44.8
42.8
48.7
40.7
35.2
35
35.6
34.3
34.1
50.1
40.6 38.2
26
34.8
ALT
Transcribed Image Text:Formulas needed: Range (R) = maximum – minimum (Use the same no. of decimal places as original data.) No. of phenotypic classes (K) = 1 + 3.3logn (Round up answer to an integer. Number may still be increased or decreased as needed.) n = total no. of values in sample data Class interval (CI) = R/K Use final answers for R and K in computation. For the final answer, use the same no. of decimal places as original data. The Cl represents the difference between the lower limits of two consecutive phenotypic classes. Shoot Length of F₁ (cm) Shoot Length of F₂ (cm) 37.9 34.3 35.4 37.4 34.9 29.7 48.2 39 26.7 38.1 35.6 33.7 34.8 34.9 36.7 36.1 51 35.6 33.4 34.8 33.7 32.4 36 33.8 40.5 43.8 34.8 42.2 30.7 41.2 34 31.8 35.7 28.4 35 49.8 44.8 42.8 48.7 40.7 35.2 35 35.6 34.3 34.1 50.1 40.6 38.2 26 34.8 ALT
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