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# While tapping a hole, a machinist applies the horizontal forces shown to the handle of

ISBN: 9780077402280 491

## Solution for problem 3.154 Chapter 3

Vector Mechanics for Engineers: Statics | 10th Edition

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Vector Mechanics for Engineers: Statics | 10th Edition

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Problem 3.154

While tapping a hole, a machinist applies the horizontal forces shown to the handle of the tap wrench. Show that these forces are equivalent to a single force, and specify, if possible, the point of application of the single force on the handle.

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4.3.2 WILCOXON SIGNED-RANK TEST 1) Used for the differences between two samples. In this case we take the differences (D’s) and test the null hypothesis a. H :0Distribution of D’s is symmetric about the nullval∆e against the alternatives of D ▯ values tending to be smaller than▯ or D values tending to be larger th∆n▯ b. Rank the absolute values of the differences c. Calculate the test statistis+, by adding all off differences 2) Note: 3) The test statistic, denoted by W: 4) The null is rejected if 4.3.3 LEVENES TEST FOR VARIANCES 1) Used for comparing more than 2 population variations a. Deals with variances

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While tapping a hole, a machinist applies the horizontal forces shown to the handle of