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ID number:180321
 
Author:
Evaluation:
Published: 03.05.2012.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

Aprēķiniet vidējo studentu vecumu 20 cilvēku grupai, ja studentu vecumi ir: 19,32,21,20,19,28,32,19,36,23,22,21,21,28,55,19,24,25,21,30.

Σx=19+32+21+20+19+28+32+19+36+23+22+21+21+28+55+19+24+25+21+30=515 gadi
n=20
ˉx=515/20=25.75 gadi

U2. Uzņēmumā, kas ražo grīdas flīzes, kuru izmēriem jābūt 25cm x 25cm, uz labu laimi iekārtas kvalitātes kontrolei izvēlējās 5 flīzes. To malu garumi bija: 25,02cm, 24,99cm, 25,07cm, 25,03cm un 25,01cm.

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