Lesson 14A worksheet If you measure something severaltimes and all values are cl

Question

Lesson 14A worksheet If you measure something severaltimes and all values are close, they may all be wrong if there is a bias Bias can be due to a systematic (built-in) error, which makes all measurements wrong by a certain amount 7 Which of the following inaccuracies could create a bias in the measured data? State blas or not a bias below each, and be prepared to explain your answer a) The scales read .1kg, when there is nothing on them. b) You record the length as 23.6 cm instead of 26.3 cm. e) You left the packaging on only one of the objects that you weighed. d) As you grew up you always measured your height wearing shoes with thick soles e) Your stopwatch takes half a second to stop when clicked. 0 The tape measure you used had 2 cm missing from the start of it. 3.3 View as

Explanation / Answer

Bias errors are the built-in errors due to the machine

So these are options A,E,F as the errors in them will always be same.

In the case of D the sole of shoes will not be the same always. And for B and C, they are human errors

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