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Data Spread

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

ScienceWhich statement correctly expresses uncertainty in an experimental result?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceThe mean result increased in support of a hypothesis but the data had a very large spread. What is the most appropriate interpretation?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpert ScienceTwo groups have the same mean result but one group has widely spread measurements. What does this indicate?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHard ScienceIf two experiments give the same average but one has less spread in its values which experiment is more precise?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 ScienceIn an investigation the range of results is very wide although the means of two groups are equal. Which information is important for the conclusion?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 ScienceA study reports only the average but not the spread of data. What information may be hidden?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHard