Question

Determine whether the underlined value is a parameter or a statistic. In a national survey on substance abuse comma Modifying 66.4 % with underline of respondents who were full dash time college students aged 18 to 22 reported using alcohol within the past month.

Answer 1

In the given survey on substance abuse, the underlined value represents the proportion of full-time college students aged 18 to 22 who reported using alcohol within the past month. This value is a statistic.

Step-by-step explanation:

In the given survey on substance abuse, the underlined value – 66.4% – represents the proportion of full-time college students aged 18 to 22 who reported using alcohol within the past month. In this context, the underlined value is a statistic because it is based on a sample of respondents from the survey.

A parameter, on the other hand, would refer to a value that represents the entire population under study (in this case, all full-time college students aged 18 to 22 in the country).

Answer 2

Parameter

Step-by-step explanation:

Parameter and statistic:

• Parameter is a numerical value that describes a population.
• A sample is a part of the population and always smaller than the population.
• The statistic is a numerical value that describes a sample.

Population of interest:

College students aged 18 to 22

Parameter:

66.4% reported using alcohol within the past month

Thus, the given is a parameter as it describes a population proportion.