Five clocks are being tested in a laboratory. Exactly at noon, as determined by

Question

Five clocks are being tested in a laboratory. Exactly at noon, as determined by the WWV time signal, on successive days of a week the clocks read as in the following table. Rank the five clocks according to their relative value as good timekeepers, best to worst. Give the number of the correct clock in each case, according to the following: Clock A = 1; Clock B = 2; Clock C = 3; Clock 4 = D; Clock E = 5. Which clock is(a)the best timekeeper?(b)the second-best timekeeper?(c)the third-best timekeeper?(d)the fourth-best timekeeper?(e)the worst timekeeper?

Explanation / Answer

I WILL EXPLAIN THE PROCEDURE TO APPROACH THIS PROBLEM ; SEE THE ACTUAL TIME IS 12:00 1) SO YOU WILL SEE CLOCK B IS MOST ACCURATE OF ALL AS IT IS SHOWING THE MOST ACCURATE TIME . 2) WHILE OBSERVE CLOCK C ; IT IS THE WORST BECAUSE IT IS SHOWING 15:00 WHILE IT IS 12:00 ONLY 3) THEN COMES D AND E ; BUT D IS BETTER THAN E BECAUSE THE MEAN OF ALL TIMES TAKEN BY D WILL BE AROUND 12:00 AND FOR E IT WILL BE GREATER THAN 12:01 4) CLOCK A IS FOURTH BEST OBVIOUSLY SO ANSWERS : a) B b) D c) E d) A e) C

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