A comparison of lifetimes of 4 different batteries is conducted using ANOVA. Calculate the value of the test statistic. Enter your answer to one decimal place. Brand 1 Brand 2 Brand 3 Brand 4 s = 8.76|s3 9.44 s = 10.28 s = 11.12 Also, you are given n = 8 and s = 3.96. Between Variance Recall Within Variance 'W where sw = average of sample variance and s = n*s_ in

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