Determine whether the underlined group of words is a PARAMETER or STATISTIC. Write

your answer on the space before the number. (5 points)

1. A population researcher computes the average number of births per day and from a

sample of 20 hospitals, he gathered a mean of 100 births.

2. A nutrition expert studies the modal height of the teenagers and from a sample of 70

teenagers, he concluded the modal height of teenagers is 165 cm.

3. A researcher wants to determine the mean electric consumption of the families in a

barangay. From a random sample of 30 families, a mean consumption of 130kWh was

identified.

4. A school principal surveys the mean general weighted average (GWA) of the students

in the present school year. From a group of 50 students, a mean GWA of 86.75 is

determined.

5. The Chief Executive Officer (CEO) of a TV Network wants to determine the median

salary of his employees. Using a random sample of 25 employees, he distinguished a

median salary of 35 000.

C. Identify what sampling technique is applicable in each situation below.

Simple Random

Stratified

Convenience

Snowball

Systematic

Cluster

Purposive

Quota

1. Olona chose 10 samples from a population of 50 by assigning numbers to each member

and then selecting the members whose assigned numbers are multiples of 5.

2. A researcher grouped the respondents according to religious affiliations and then

chose proportional numbers of members from each religious group.

3. A teacher assigned class numbers to each student and then spun a number roulette to

identify the members of the sample.

4. A researcher who studies the effectiveness of a particular drug chose four hospitals at

random which are located within the region and then surveyed all the patients in the

selected hospitals.

5. A company executive selected 15 participants for the international business congress

by writing the names of all employees and then choosing a name one at a time until

the delegation is completed.

6. Jake conducted an online survey about the mostly preferred social media accounts.

7. Shinnie asked some respondents to suggest other possible participants for the research.

8. The researcher grouped together the members of the population into categories and

then chose possible respondents from each category.

9. The teacher chose the top three students in the batch to represent for the international

math quiz bee.

10. Researcher wants to study what toothpaste brand mostly preferred by people. He went

to a nearby convenience store and conducted an interview among all buyers of

toothpaste in the store.