Among the four data collection method, which do you think will give you more accurate and valid data? Why?

Thanks to technological advancements, online surveys – or e-surveys – have become the preferred data collection method for many customer satisfaction and staff satisfaction surveys, as well as product and service feedback and conference evaluations within many business-to-business markets.

Explanation:

The method of Sample survey gives better results. Explanation: The method of sample survey gives accurate results. This is because the sample size is smaller and there are lesser numbers so the errors and faults can be easily located easily and can be resolved

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explanation:

part a.   = c.)

part b. = a.)

explanation: