artroom stenographers must type up all that is said in the proceeding of a court case. Journalists make a g typing articles for publication. In a random sample of 17 stenographers and 22 journalists, the averathe s per minute these two groups could type were #1 = 72 for the stenographers and 52 = 55 for the alists. The standard deviations in these two samples were $1 = 12 and s2 = 25. Use this information estions 28 - 29. mpute the standard error of the mean difference, SE₁-22. (Round your answer to four decimal ces.)

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