Question

decide whether each of the following is in the area of descriptive or inferential statistics.

1. a survey recently revealed that 63% of americans feel the voting process in america is fair.
2. the age of students at a particular community college ranges from 18 to 78 years.
3. my gpa has been near 3.5 for the past 3 years.
4. the state highway safety council predicts that 15 persons will die in traffic accidents over the labor day weekend.
5. sammy sosa’s batting average is 0.455 this week.
6. in a recent study of a sample of 100 volunteers, eating garlic was shown to lower blood pressure.

Explanation:

Question 7

Descriptive statistics summarizes data from a sample or population. Here, the 63% is a summary of survey results (describing the proportion of Americans with a certain opinion), so it's descriptive.

This is describing the range of student ages at a community college, which is a summary of existing data about those students, so it's descriptive.

Stating the GPA over 3 years is summarizing personal academic data, so it's descriptive.

Answer:

Descriptive Statistics

Question 8