Mathematics, 02.12.2020 17:10 Toyared
In 2018, researchers examined a random sample of 1455 "disadvantaged" Australian school children (children aged 6 β 15 from rural and outer suburban areas) and found that 4.3% of them were nearsighted. In 2014, the rate of nearsightedness among such children was 3.5%. Is this strong evidence that the parameter has changed since 2018?
Answers: 2
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In 2018, researchers examined a random sample of 1455 "disadvantaged" Australian school children (ch...
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