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A political scientist surveys 40 of the current 157 representatives in a state's congress. The survey...

A political scientist surveys 40 of the current 157 representatives in a state's congress. The survey collects information on representatives' views on the state's fiscal situation and the need for significant financial reforrm.

What is the size of the sample:________

What is the size of the population:_________

Math   Statistics-And-Probability   
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Answer #1

The size of the sample is always the smaller lot selected from the whole of the population to conduct any survey or research. Here , as we see that only the 40 of the total representatives are surveyed thus ,

Size of the sample = 40

The size of the population is the total number of representatives from whom the survey will be conducted by selecting a few. Here , there are a total of 157 representatives.

Hence , size of the population = 157

Remember , the size of the sample is always less than the population

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