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What are advantages of heap file organization?
1) insersection becomes easy in heap file organization. 2) deleation process also becomes easy in heap file organization. 3) searching or retrival of data becomes hard(it take more time).
What happens to the place value of a number when you multiply by 10?
The place value increases to the next power of 10. A Unit becomes a Ten A Ten becomes a Hundred A Hundred becomes a Thousand and so on.
Percent into decimal?
Move the decimal point twice to the left, for example 56% becomes 0.56 or 92% becomes 0.92 etc
The decimal form 1.46 becomes?
.0146%
What biased estimator will have a reduced bias based on an increased sample size?
The standard deviation. There are many, and it's easy to construct one. The mean of a sample from a normal population is an unbiased estimator of the population mean. Let me call the sample mean xbar. If the sample size is n then n * xbar / ( n + 1 ) is a biased estimator of the mean with the property that its bias becomes smaller as the sample size rises.
