Question: Consider the following data for two independent random samples taken from two normal populations with equal variances. find the 90% confidence interval for u1- u2.

Consider the following data for two independent random samples taken from two normal populations with equal variances. find the 90% confidence interval for u1- u2.

Sample111512 9 6 8

Sample21291613 11 11

*****Answer must be typed to four decimals*****

Left Endpoint = ________

Right Endpoint = ________

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