How do you find the standard deviation and average deviation using the data table above?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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How do you find the standard deviation and average deviation using the data table above?
T₁ = trig11
Tq: Trialy
T2 = trial 2
Record with appropriate significant figures! That means TWO decimal places for volume!
Trial 1
Trial 2
Trial 4
0.25
76
Mass of KHP
decimal
places)
Moles KHP
Final ml NaOH
Initial mL
NaOH
Moles NaOH
That Reacted
Volume NaOH
Used
(2 decimal
places!)
M NaOH
0.29
Dlo3 moles
343L
0.22
0.00103 moles
0.00108 moles
41.75mL
28.32 ml
28.32mL
15.75ml
0.00103 moles 0.00108 moles
13.43m2 12.57mL
0.0860m
Trial 3
mistake
0.0767 m
Average NaOH M 0.080 m
(remember, trial one may be omitted for the average if it was sloppy)
Standard deviation
Average deviation
M Na CH Calculations: 1
Show a sample calculation for one of the trials below:
13.43m4
IL
= 0.01343L
11000 ML
- 0.0766939687
mass Naot
0.00 122 moles
ML C.00 ML
15.75mL
0.00122 males
15.75mL
0.0 775 m
2.04
0.0767m+ 0.0860m + 0.0775m
0.0800666667
Moles Calculations
TH
0.25 KP.
I mol KHP
204.22kMP
= 0.00122417 moles aba
Transcribed Image Text:T₁ = trig11 Tq: Trialy T2 = trial 2 Record with appropriate significant figures! That means TWO decimal places for volume! Trial 1 Trial 2 Trial 4 0.25 76 Mass of KHP decimal places) Moles KHP Final ml NaOH Initial mL NaOH Moles NaOH That Reacted Volume NaOH Used (2 decimal places!) M NaOH 0.29 Dlo3 moles 343L 0.22 0.00103 moles 0.00108 moles 41.75mL 28.32 ml 28.32mL 15.75ml 0.00103 moles 0.00108 moles 13.43m2 12.57mL 0.0860m Trial 3 mistake 0.0767 m Average NaOH M 0.080 m (remember, trial one may be omitted for the average if it was sloppy) Standard deviation Average deviation M Na CH Calculations: 1 Show a sample calculation for one of the trials below: 13.43m4 IL = 0.01343L 11000 ML - 0.0766939687 mass Naot 0.00 122 moles ML C.00 ML 15.75mL 0.00122 males 15.75mL 0.0 775 m 2.04 0.0767m+ 0.0860m + 0.0775m 0.0800666667 Moles Calculations TH 0.25 KP. I mol KHP 204.22kMP = 0.00122417 moles aba
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