A polling company has decided to increase the size of its random sample of voters from about 2,000 people to about 4,500 people right before an election. A poll was designed to estimate the proportion of voters who favor a new law to set an 11 p. m. curfew for teenagers. What is the effect of this increase?

The effect of this increase will reduce the variability of the estimate.

Step-by-step explanation:

Variability of a sample can be determined with the help of variance and standard deviation. Sampling variability shows the variation in the estimate between the samples.

Variability is defined as the how close the scores in the distribution are to the middle of the distribution.

In the above scenario, the polling company increases the size of the random sample of voters before election. The proportion of the voters is estimated with the help of poll. The effect of increasing the sample is to reduce the variability of the estimate.

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