A Biomedical engineer is measuring how much current is needed to stimulate the nerve of a rat to create a muscle function. He is measuring 5 rats and wants to evaluate if less current is needed to stimulate a young animal compared to an old animal. The mean of the current to stimulate young animals is 4.6mA. Meuasrements from trials on Old Rats: 6, 6, 12, 7, 8 (in mA) Can the engineer conclude that old rats need more current?

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A Biomedical engineer is measuring how much current is needed to stimulate the nerve of a rat to create a muscle
function. He is measuring 5 rats and wants to evaluate if less current is needed to stimulate a young animal
compared to an old animal. The mean of the current to stimulate young animals is 4.6mA.
Meuasrements from trials on Old Rats: 6, 6, 12, 7, 8 (in mA)
Can the engineer conclude that old rats need more current?
Transcribed Image Text:A Biomedical engineer is measuring how much current is needed to stimulate the nerve of a rat to create a muscle function. He is measuring 5 rats and wants to evaluate if less current is needed to stimulate a young animal compared to an old animal. The mean of the current to stimulate young animals is 4.6mA. Meuasrements from trials on Old Rats: 6, 6, 12, 7, 8 (in mA) Can the engineer conclude that old rats need more current?
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