EXPERIMENT 1 dvance Study Assig What determines the number of significant figure

Question

EXPERIMENT 1 dvance Study Assig What determines the number of significant figures in reporting measurement values would be the effect of reporting more or fewer figures or digits than are ss 5. ? What gnificant? 6. In expressing experimen tal error or uncertainty. and (b) percent difference? 7. (Optional) For a series of experimentally measured values, distinguish among (a) the aver- age or mean value, (b) the deviation from the mean, and (c) the mean deviation 8. (Optional) What is the statistical significance of one standard deviation? Two standard de viations? 9. How could the function y 3+4 be plotted on a Catesian graph to produce a straight line? What would be the numerical values of the slope and intercept of the line?

Explanation / Answer

5) First thing is that any none zero digit is significant and any of zero between two non zero digit are significant . We can always rule out the leading zeros ( zeros that come before non zero digits like 0034) and for trailing zeros if there is a decimal you count trailing zeros as significant (ex 0.0037). If there is no decimal it ambigious and it is not counted as you can't tell anything about it. Effect of more or fewer figure might lead to increase or deacrease of reguired value. Which might be wrong.

6) We consider experimental error when comparing an experimentally obtained value to a known and accepted value.
We consider percent difference when we are comparing two experimentally obtained values in separate experiments when none of them is accepted as standard/proven.

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