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Consider the statements with respect to the degree of accuracy in estimating. Assertion (A): The accuracy to be observed in preparing an estimate depends on the rate of the item and unit of payment. Reason (R): The higher the rates the greater should be the accuracy with which the quantities are calculated.
As simulation is not an analytical model, therefore the result of simulation must be viewed as.
Although all four phenotypes are generated by simulation the numbers are different than those generated by simulation How can this best be explained?
Which of the following statements are correct for temperature rise in metal cutting operation? 1) It adversely affects the properties of tool material. 2) It provides better accuracy during machining. 3) It causes dimensional changes in workpiece and affects accuracy of machining. 4) It can distort the accuracy of machine tool itself
Which of the following option is true for given statements about gear measurement? Statement 1: There is no effect of cutter accuracy on the accuracy of gear. Statement 2: Accuracy of individual elements is necessary for precision gears.
Imagine, you are solving a classification problems with highly imbalanced class. The majority class is observed 99% of times in the training data. Your model has 99% accuracy after taking the predictions on test data. Which of the following is true in such a case?
1. Accuracy metric is not a good idea for imbalanced class problems.
2.Accuracy metric is a good idea for imbalanced class problems.
3.Precision and recall metrics are good for imbalanced class problems.
4.Precision and recall metrics aren't good for imbalanced class problems.
The accuracy in the location of the objects depends upon the accuracy in laying the ________
If the amplitude or oscillation of a simple pendulum is very small, then its time period of oscillation
1. depends on the length of the pendulum, L.
2. depends on the acceleration due to gravity, g.
3. depends upon the mass of the bob of the pendulum, m.
4. does not depend upon the amplitude of the pendulum, A.
Select the correct answer:
An archer can hit the target at a certain percentage of accuracy. If the weather gets windy, his accuracy reduces by 20%. If he can hit the target 196 times out of 350 shots when the weather is windy, what is his strike rate with 250 shots under normal conditions?
Which of the following statements are correct (i) Accuracy is the closeness with which an instrument approaches the true value as the quantity being measured. (ii) Precision is a measure of reproducibility of the measurement. (iii) Precision of an instrument can be improved upon by calibration. (iv) Accuracy may be specified in terms of limiting error.