Unit 1: Sample, Population, and variable

8. Identify the random variable as continuous or discrete: The amount of time you sleep on a random weekday night.

2. Identify the sample: A physician takes a biopsy of a suspicious growth to check for malignancy.

4. Identify the pop: In the Spring, JBHS juniors took the SAT. The math mean was 549.

5. Identify the sample: In the Spring, JBHS juniors took the SAT. The math mean was 549.

3. Is the variable categorical/quantitative: A physician takes a biopsy of a suspicious growth to check for malignancy.

7. Is data discrete/continuous: In the Spring, JBHS juniors took the SAT. The math mean was 549.

6. Is the variable categorical/quantitative: In the Spring, JBHS juniors took the SAT. The math mean was 549.

10. All members of a sample are members of a population.

1. Identify the population: A physician takes a biopsy of a suspicious growth to check for malignancy.

9. Identify the random variable as continuous or discrete: the home team score in a basketball game.