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Error intervals
16/02/2023
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error intervals - Limits of accuracy when a number has been rounded or truncated. - They are the range of possible volves that a number could have been before it was rounded or truncated. To work out error intervals, we think about what the smallest and biggest numbers that would round, or be truncated, to a vawe for a given degree of accuracy. leg. x=30 cm to the nearest ten 2.5 X125 30 3.5 x < 35 25 < X < 35 error interval which basically means x is bigger than and or equal to as before rounding and smaller than 35 before rounding. error intervals - maximum and minimum values that a number couldve been before it was rounded or truncated. How to find error intervous! Ⓒ Icientify the place value of the degree of accuracy stated - This will be the interval size required for the error interval 62 If rounded: Divide this place valve by 2, and then add and subtract this amount to the given lawe to give the maximum and minimum values for your error interval. If truncated: Add the place value to the given value. This will be the maximum value of your error internal, the given value will be your minimum (3) write your error interval as an inequality in the form Min < x < Max For the case of rounded numbers, the maximum...
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Alternative transcript:
and minimum are referred to as the upper and lower bound of the number. a number 2 is rounded to idp. The result is 8.2 write down the error interval for X- to 8.1 8.15 x 8.2-8-3-> T 8.25 8·15 ≤ x < 8·25