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Class 9 Science के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

ScienceA student's conclusion is based only on the mean although individual measurements vary widely. What additional information is most needed?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceAn experiment used very few samples and the results differed from one another. What should be said about the conclusion?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceThe values in an experiment show a very wide spread. Which step would be useful first?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceA scientist found a difference between the averages of two groups but values within both groups were widely spread. What should be examined before concluding?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHard ScienceIf two groups have the same average but one has much more spread what would be missed by looking only at the average?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceExpert