An experiment was conducted by a student and he obtained $3$ values viz. $1.65, 1.68$ and $1.71$ , during three repetitive trials, respectively. After sometime, the student got the true value, which was $2.37$ So, in the contrast to the real value, the experiments' results should be characterized as:

not accurate and not precise

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accurate but not precise

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not accurate but precise

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accurate, precise, but unreliable

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Solution

The correct option is C not accurate but precise
In contrast to the real value, the experimental results should be characterized as not accurate but precise.
Since, there is significant difference between the true value and the experimental results, the results are not accurate.
However, the three repetitive trial values are very close to each other. Hence, the results are precise.

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Similar questions

Q. A student conducted an experiment and obtained three values during three repetitive trials:

1.65, 1.68, 1.71

. Later, the student discovered that the true value was

2.37

. In contrast to the real value, the experimental results should be characterized as:

Q. all accurate value are precise but all precise value are not accurate. comment class 11

If the true value for a result is 3.00 m and a student records two readings as 3.01 m and 2.99 m, then we can conclude that:

Q. Which of the following is precise but not accurate?

Two students performed the same experiment separately and each one of them recorded two readings of mass which are given below. Correct reading of mass is 3.0 g. On the basis of given data, mark the correct option out of the following statements

$\begin{matrix} S t u d e n t s & R e a d i n g (i) & (i i) A & 3.01 & 2.99 B & 3.05 & 2.95 \end{matrix}$

(a) Results of both the students are neither accurate, nor precise

(b) Results of students A are both precise and accurate

(d) Results of student B are both precise and accurate

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An experiment was conducted by a student and he obtained 3 values viz. 1.65,1.68 and 1.71, during three repetitive trials, respectively. After sometime, the student got the true value, which was 2.37 So, in the contrast to the real value, the experiments' results should be characterized as: