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Vaccine Testing Inc. states that there is no significant difference the 2 population means Vaccine A Vaccine B Sample size = 12 Sample Size =

Vaccine Testing Inc. states that there is no significant difference the 2 population means Vaccine A Vaccine B Sample size = 12 Sample Size = 16 Sample Mean = 25 Sample Mean = 22 Standard deviation = 8 Standard deviation = 6 Confidence Level is 95% and 5% alpha risk 2 tail test Calculate the pooled variance

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