I need help calculating the standard deviation for fall time

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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I need help calculating the standard deviation for fall time and calculated acceleration (m/s^2) and the standard deviation for that too. I attached a picture of the chart. Please help me.

 

 

 

Height
Mass of 15 washers = 136.5 grams
Mass of 1 washer = _9.1_ grams
= 1 Meter
M1 = _9.1_ grams (lighter mass)
%3D
M2 = _145.6_ grams (heavier mass)
Trial Number
Fall time
Calculated acceleration
(sec)
(m/s²)
1
1.64
2
1.54
3
1.22
4
1.38
1.49
6
1.25
7
1.32
8
1.59
1.12
10
1.28
Average
Standard Deviation
1.383
Transcribed Image Text:Height Mass of 15 washers = 136.5 grams Mass of 1 washer = _9.1_ grams = 1 Meter M1 = _9.1_ grams (lighter mass) %3D M2 = _145.6_ grams (heavier mass) Trial Number Fall time Calculated acceleration (sec) (m/s²) 1 1.64 2 1.54 3 1.22 4 1.38 1.49 6 1.25 7 1.32 8 1.59 1.12 10 1.28 Average Standard Deviation 1.383
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