A random sample of 15 teachers from rhode island has an

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A random sample of 15 teachers from Rhode Island has an average salary of $35,270, with a standard deviation of $3,256. A random sample of 30 teachers from New York has an average salary of $29,512, with a standard deviation of $1,432. Is there a significant difference between the two states? Use a = 0.02. Find the 98% confidence interval for the difference of the two means.

Reference no: EM13628170

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