Question: A grocery store is using a digital thermometer to measure the temperature of their various frozen food areas. They discover that the thermometers is

A grocery store is using a digital thermometer to measure the temperature

A grocery store is using a digital thermometer to measure the temperature of their various frozen food areas. They discover that the thermometers is always giving results that are 3 degrees too cold, you can say that the thermometer: is unbiased is biased is not valid has a large variance

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