Question 4 AAA batteries are widely used in small electronoic devices. The capacity of batteries mea- sures the amount of charge stored in the battery. The capacity (in Wh) of ten batteries from each of five different brands are measured. The summary of the measurements is given in Table 1. Does this data suggest that the average capacity of battery is the same for all brands? Carry out a test with suitable hypotheses and create an ANOVA table at a = 0.05 signifi- cance level. Table 1: Summary of battery capacity data. Brand n; Sample Mean () | Sample SD (8;) 1.37 1.21 10 0.12 10 0.08 10 1.20 0.15 D 10 1.21 0.15 E 10 1.20 0.11
Question 4 AAA batteries are widely used in small electronoic devices. The capacity of batteries mea- sures the amount of charge stored in the battery. The capacity (in Wh) of ten batteries from each of five different brands are measured. The summary of the measurements is given in Table 1. Does this data suggest that the average capacity of battery is the same for all brands? Carry out a test with suitable hypotheses and create an ANOVA table at a = 0.05 signifi- cance level. Table 1: Summary of battery capacity data. Brand n; Sample Mean () | Sample SD (8;) 1.37 1.21 10 0.12 10 0.08 10 1.20 0.15 D 10 1.21 0.15 E 10 1.20 0.11
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:Question 4
AAA batteries are widely used in small electronoic devices. The capacity of batteries mea-
sures the amount of charge stored in the battery. The capacity (in Wh) of ten batteries from
each of five different brands are measured. The summary of the measurements is given in
Table 1.
Does this data suggest that the average capacity of battery is the same for all brands?
Carry out a test with suitable hypotheses and create an ANOVA table at a = 0.05 signifi-
cance level.
Table 1: Summary of battery capacity data.
Brand n; Sample Mean (;) | Sample SD (s;)
10
1.37
0.12
В
10
1.21
0.08
10
1.20
0.15
D
10
1.21
0.15
E
10
1.20
0.11
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