Question

In the following hypothetical scenarios, classify each of the specified numbers as a parameter or a statistic.

There are 100 senators in the 114th Congress, and 54% of them are Republicans. The 54% here is a


In 1936, Literary Digest polled 2.3 million adults in the United States, and 57% of them said they would vote for Alf Landon for the Presidency. The 57% here is a


The survey results from 75 local elementary schools show the mean weight of 41 lbs for four-year-old children. The mean weight of 41 lbs is a


The 36 students in Ms. Dunham's second grade class have a mean height of 64 inches with a standard deviation of 1.3 inches. The 1.3 inches is a


In a random sample of households in the United States, it is found that 51% of the sampled households have at least one high‑definition television. The 51% here is a

Answer 1

There are 100 senators in the 114th Congress, and 54% of them are Republicans. The 54% here is a

The figure of 54% is a PARAMETER because it is based on the entire population of all 100 senators.

In 1936, Literary Digest polled 2.3 million adults in the United States, and 57% of them said they would vote for Alf Landon for the Presidency. The 57% here is a

The figure of 57% is a STATISTIC because it is based on the sample, not the entire population of all adults in the United States

The survey results from 75 local elementary schools show the mean weight of 41 lbs for four-year-old children. The mean weight of 41 lbs is a
The mean height of 41 lbs is STATISTIC as it is based on a sample.

The 36 students in Ms. Dunham's second grade class have a mean height of 64 inches with a standard deviation of 1.3 inches. The 1.3 inches is a

STATISTIC

In a random sample of households in the United States, it is found that 51% of the sampled households have at least one high‑definition television. The 51% here is a STATISTIC

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