a:
Sampling and non-sampling error:
a:

Explanation of Solution
Sampling error refers to the inaccuracy in the prediction about the population that arises through the procession of sample information. This error occurswhen the sample failed to represented the population.
Non-sampling error refers to the inaccuracy that occurs due to the mistake that happens during the selection of observation or acquiring the information.
b:
Serious error:
b:

Explanation of Solution
If there is a sampling error, then it can be rectified by increasing the
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Chapter 5 Solutions
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