Hypothesis
Sampling error leads to random error. Sampling bias leads to systematic error.
yes. data redundancy is where there is duplication of data in a database. when this happens, anyone who has to make updates to a table in a database (that is, make changes to the database) will have to change that particular data that has been duplicated so many times in so many places. this creates a problem and it is not always going to be possible for a person to change everything correctly. this therefore leads to inconsistencies in the database. hope this helps.
It is a biased estimator. S.R.S leads to a biased sample variance but i.i.d random sampling leads to a unbiased sample variance.
hypothesis .
A cardiograph is an instrument designed to measure and record the electrical activity of the heart.
The cardiograph recordered her blood running through her heart and her pulse.
Two answers Medical Cardiograph is used to determine the rate, pressure, or expansion of the heart. Magic Cardiograph is used to find selection from inside the pack animated to rising.
rohit.k.bharadwaj
Graph
heart
monitoring/ taking pictures of the heart
The cardiograph is the proper name for several different types of mechanical devices that are used to monitor activity and health of the human heart.
pneumograph cardiograph keymograph
The salary for a cardiograph technician will vary depending on location and experience. On average, the cardiograph technician will make an estimated $51, 020 per year.
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