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Show what the number is for each point 7.34 Executives learn Spanish. A company contracts with a language institute to provide instruction in Spanish for

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Show what the number is for each point
7.34 Executives learn Spanish. A company contracts with a language institute to provide instruction in Spanish for its executives who will be posted overseas. The following table gives the pretest and posttest scores on the Modern Language Association's listening test in Spanish for 20 executives. 15 I SPNISH Subject Pretest Posttest Subject Pretest Posttest 1 30 29 11 30 32 1 2 2 28 30 12 29 28 3 31 32 13 31 34 4 26 30 14 29 32 5 20 16 15 34 32 6 30 25 16 20 27 7 34 31 17 26 28 8 15 18 18 25 29 9 28 33 19 31 32 10 20 25 20 29 32 (b) Make a graphical check for outliers or strong skewness in the data that you will use in your statistical test, and report your conclusions on the validity of the test

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