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Consider the following results for independent random samples taken from two populations. Sample 1Sample 2 n 1= 10 n 2=30 x 1= 22.1 x 2=

Consider the following results for independent random samples taken from two populations.

Sample 1Sample 2n1= 10n2=30x1= 22.1x2= 20.6s1= 2.5s2=4.6

What is the degrees of freedom for thetdistribution (round down your answer to nearest whole number)?

What is the 95% confidence interval for the difference between the two population means (to 1 decimal)? Usez-table. If your answer is negative value, entre minus (-) sign.

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