Find confidence-independent samples from normal populations


Find the 98% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations. (Use conservative degrees of freedom.) (Give your answers correct to two decimal places.)

Sample1, Number 27, Mean 31, Std dev 34
Sample2, Number 16, Mean 23, Std dev 25

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Basic Statistics: Find confidence-independent samples from normal populations
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