[{"question":"Priemern\u00fd po\u010det vyroben\u00fdch lietadiel v E\u00da v rokoch 2000-2005 bol 325, v rokoch 2000-2006 to vych\u00e1dza o 8%viac vyroben\u00fdch lietadiel. Ak\u00fd bol po\u010det vyroben\u00fdch lietadiel v roku 2006?","answers":["507","607","707","807"],"correct":"507","order":"1"},{"question":"Dedko s babkou sadili 8 jablon\u00ed. Po piatich rokoch sa rozhodli, \u017ee ich odmeraj\u00fa. Dedko dal babke ot\u00e1zku:\"Babka, ak priemern\u00e1 v\u00fd\u0161ka v\u0161etk\u00fdch jablon\u00ed je 198cm, ko\u013eko najviac je ni\u017e\u0161\u00edch ako t\u00fdchto 198cm?\" Vyberte, \u010do mu babka odpovedala.","answers":["jedna jablo\u0148","tri jablone","p\u00e4\u0165 jablon\u00ed","sedem jablon\u00ed"],"correct":"sedem jablon\u00ed","order":"2"},{"question":"V autobuse sa nach\u00e1dza 5 \u017eien a 6 mu\u017eov. Ich priemern\u00fd vek je 23 rokov. Na prvej zast\u00e1vke vyst\u00fapili dvaja najstar\u0161\u00ed mu\u017ei (26 rokov). Na druhej zast\u00e1vke nast\u00fapili dve kamar\u00e1tky, ktor\u00e9 sa narodili v ten ist\u00fd de\u0148, ale rok po sebe. Teraz sa v autobuse nach\u00e1dz","answers":["17 a 18","18 a 19","20 a 21","19 a 20"],"correct":"20 a 21","order":"3"},{"question":"\u010comu sa rovn\u00e1 s\u00fa\u010det absol\u00fatnych po\u010detnost\u00ed?","answers":["rozsahu s\u00faboru","triede","jednej","znaku s\u00faboru"],"correct":"rozsahu s\u00faboru","order":"4"},{"question":"Ktor\u00fd z uveden\u00fdch priemerov nepatr\u00ed medzi z\u00e1kladn\u00e9 typy priemerov pou\u017e\u00edvan\u00fdch v \u0161tatistike?","answers":["harmonick\u00fd","kubick\u00fd","kvadratick\u00fd","geometrick\u00fd"],"correct":"kubick\u00fd","order":"5"},{"question":"Ak smerodajn\u00e1 odch\u00fdlka je 5, ak\u00fd je rozptyl?","answers":["20","25","30","35"],"correct":"25","order":"6"},{"question":"Ko\u013eko z vypo\u010d\u00edtan\u00fdch stup\u0148ov korel\u00e1cie, ur\u010den\u00fdch medzi vekom a hmotnos\u0165ou \u010dloveka, ur\u010dite nie s\u00fa spr\u00e1vne? Koeficienty korel\u00e1cie: 0.3, -0.7, 1.2, -1.7, 0.9, 0.5, 1.4, 2.3","answers":["\u017eiadny","traja","siedmi","\u0161tyria"],"correct":"\u0161tyria","order":"7"},{"question":"\u010comu sa rovn\u00e1 s\u00fa\u010det relat\u00edvnych po\u010detnost\u00ed?","answers":["rozsahu s\u00faboru","triede","jednej","znaku s\u00faboru"],"correct":"jednej","order":"8"},{"question":"Ako m\u00f4\u017ee by\u0165 vyjadren\u00e1 hodnota znaku v \u0161tatistike?","answers":["absol\u00fatne","relat\u00edvne","hodnota znaku sa ned\u00e1 vyjadri\u0165","kvantitat\u00edvne"],"correct":"kvantitat\u00edvne","order":"9"},{"question":"Hmyz m\u00f4\u017ee ma\u0165 jednu, dve alebo tri no\u017ei\u010dky pri\u010dom 2% z nich maj\u00fa jednu no\u017ei\u010dku, 97% dve a zbytok tri. Ko\u013eko percent hmyzu m\u00e1 viac no\u017ei\u010diek ako je celopopula\u010dn\u00fd priemer v r\u00e1mci hmyzu?","answers":["97","98","99","100"],"correct":"98","order":"10"}]