Question

us Login Ho ALEKS - MAT300462VA016-1206 X + ALEKS - Constance Thomas - Lea X со www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-Iv-6txjbonmDn7WsVrRAXK6XnHkRvH2tl8ofOVOJIWP Koy9qwrFilWintq381-YPP5cCul38TigBcwou 8: Week 4 Dis... MATHEMATICAL READINESS Summation of indexed data The following is a list of 15 measurements. -20.35.-78, 74,30.-7, -22.93.-98, 51,-10, 42, -92, 63, -15 Send data to Excel Suppose that these 15 measurements are respectively labeled Xı, X2, ..., *15- (Thus, -20 is labeled Xq. 35 is labeled X2, and so on.) Compute the followin 15 19x, i=1 2 Explanation Check 0 2020 METER AIR e

Answer 1

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The question basically adds all the 15 measurements and multiplies the summation to 19.

So, that'
= 19*(x1+x2+...+x14+x15)
= 19*(-20+35-78+74+30-7-22+93-98+51-10+42-92+63-15)
= 874

Answer: 874