1. Length Investigation
Aim:
To investigate the relationship between fingers and arm
lengths,
Hypothesis:
I predict that arms are longer than total fingers.
Materials:
Measuring tapes
Paper
Pencils
Clipboard
20 people
Method:
1. Measure thumb and record.
2. Measure index finger and record.
3. Measure middle finger and record.
4. Measure ring finger and record.
5. Measure little finger and record.
6. Measure arm from finger tips to shoulder and record.
7. Add total for all fingers.
8. Compare finger length total and arm length.

2. Results:
Name Finger1 Finger2 Finger3 Finger4 Finger5 Finger Arm
Total Length
Takumi 5cm 6cm 7cm 6cm 5cm 29cm 56cm
Genjiro 5cm 6cm 6.2cm 6cm 4.5cm 27.7cm 53cm
Simon 5cm 6cm 7cm 6cm 5cm 29cm 56cm
Sang woo 5cm 6cm 7cm 6cm 5cm 30cm 58.3cm
Nina 5cm 6cm 6.5cm 5.8cm 4.4cm 27.7cm 56cm
Krishina 5.6cm 6cm 7cm 7.5cm 5cm 34.5cm 52cm
Adam 5cm 5cm 6cm 5cm 4cm 25cm 51cm
Ki Jung 5cm 6cm 6.5cm 5cm 4.5cm 27cm 54cm
Ki Joo 6cm 7cm 6.7cm 6.5cm 55cm 31.7cm 61cm
Dennis 5cm 5.5cm 6cm 6.5cm 5cm 27.5cm 53cm
Yen Yen 5cm 6cm 6.5cm 6cm 4.5cm 28cm 61.5cm
Alaa 5cm 5.5cm 6cm 5.5cm 5.2cm 27.2cm 56cm
Naina 5cm 5cm 5.6cm 5.4cm 4.4cm 25.3cm 48cm
Xella 5.5cm 7cm 8cm 6cm 4.8cm 31.3cm 57cm
S-C 6cm 6.5cm 6.5cm 6cm 5cm 29.8cm 58cm
Hena 5cm 6cm 7cm 6cm 5cm 29cm 56.5cm
Qi qi 5.2cm 5.5cm 6cm 6cm 5cm 27.7cm 62.5cm
Grace 5cm 6cm 7cm 6cm 5cm 29cm 65cm

3. Justus 5cm 6cm 7cm 6cm 5cm 29cm 57.5cm
Aighar 4.5cm 5.5cm 6cm 5.8cm 4.2cm 26cm 53.2cm
Conclusion:
My hypothesis was correct. Average finger length is 28.57cm.
Average arm length is 56.275cm. On average, arms are 28cm
longer than total finger length.