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Sampling Bias

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

ScienceIf an experimental sample is chosen only from fast runners what is the main limitation of the conclusion?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationExpertScienceWhat is the main benefit of random selection in an experiment?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHardScienceWhich experiment shows the greatest sampling bias?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationHardScienceA student selects only the tallest plant to report the effect of fertiliser. What problem does this illustrate?Class 9Exploration: Entering the World of Secondary ScienceHypothesis and experimentationMediumScienceIn a field study only plants near a road were selected. What difficulty arises when drawing conclusions about the entire forest?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpertScienceIn which situation can sample selection make the result biased?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpertScienceFish abundance in a pond was estimated by observing only near the shore. What is the main sampling problem?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsExpertScienceIn a field study only plants near a road were included in the sample. What problem may arise?Class 9Exploration: Entering the World of Secondary ScienceScientific questions and observationsHardScienceA study has a very large sample but it was taken only from one expensive urban school. What is the main problem?Class 9Exploration: Entering the World of Secondary ScienceNature and meaning of scienceHard

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