True or False: A statistic is usually used to provide an estimate for a usually unobserved parameter.
Indicate whether the statement is true or false
Q. 2The chancellor of a major university was concerned about alcohol abuse on her campus and wanted to find out the proportion of students at her university who visited campus bars on the weekend before the final exam week. Her assistant took a random sample of 250 students. The portion of students in the sample who visited campus bars on the weekend before the final exam week is an example of
A) a statistic B) a parameter. C) a summary table. D) an ogive.
Q. 3The chancellor of a major university was concerned about alcohol abuse on her campus and wanted to find out the proportion of students at her university who visited campus bars on the weekend before the final exam week. Her assistant took a random sample of 250 students and computed the portion of students in the sample who visited campus bars on the weekend before the final exam. The portion of all students at her university who visited campus bars on the weekend before the final exam week is an example of
A) a parameter. B) a summary table. C) a statistic. D) an ogive.
Q. 4Which of the following is most likely a parameter as opposed to a statistic?
A) the proportion of trucks stopped yesterday that were cited for bad brakes
B) the average height of people randomly selected from a database
C) the average score of the first five students completing an assignment
D) the proportion of females registered to vote in a county
Q. 5A summary measure that is computed to describe a characteristic of an entire population is called
A) a parameter. B) a statistic. C) an ordered array. D) a summary table.
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