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Consider two independent random samples of sizes ny = 11 and ne = 15, taken from normally distributed populations, with sample standard deviations of s;

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Consider two independent random samples of sizes ny = 11 and ne = 15, taken from normally distributed populations, with sample standard deviations of s; = 5.4 and sy = 4.5, respectively. a) What is So", the estimate of the pooled variance? Round your response to at least 3 decimal places. Number b) What are the appropriate degrees of freedom for the t value? Number

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