unit sample is defined by
$(n)= 1 at n=0;
= 0 otherwise;
Used for to decompose the arbitrary signal x(n) into summation of weighted and shifted unit samples as follows
x(n)=( summation of limit k=- infinite to + infinite) x(k)$(n-k)
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sample size is the specific size of a thing like the how long or wide. while sample unit is the whole thing not referring to specific number size.
A population survey, better known as a census, entails the collection of each unit in the population. In sample survey information is collected from a subset of the population. The subset, or sample, needs to be selected carefully so that it is representative of the whole population and, if that requirement is met, statistics based on the sample are good estimators for the corresponding population parameters.
When n = 1, sequence term (call it y) = 7. Each unit increase in n results in an increase of 6 in y, so when n = 5, y = 31. Sequence is therefore 7, 13, 19, 25, 31 etc.
A computer is programmed to generate a sequence of three digits, where each digit is either 0 or 1, and each of these is equally likely to occur. Construct a sample space that shows all possible three-digit sequences of 0s and 1s and then find the probability that a sequence will contain exactly one 0.