Assessment #1 11-STEM

Imagine you're conducting a survey in a mall. You decided to select every 10th shopper entering the mall? Which type of sampling are you using?

• simple
• cluster
• stratified
• systematic

You're exploring smartphone usage patterns among college students. You asked every college students nearby. Which type os sampling will are you susing?

• simple
• cluster
• purposive
• convenience

As a researcher, you ask the people of your barangay on how they spent their money during the community quarantine. You randomly choses 2 barangays and then includes all the people living in the chosen barangays as a sample. Which type of sampling are you using?

• convenience
• purposive
• stratified
• cluster

As a researcher, you want to know the plans of graduating senior high school students. You decided to group them according to their gender and then proportionately and randomly selected samples from these groups. Which type of sampling are you using?

• convenience
• purposive
• stratified
• systematic

Mrs. Mogol grouped the first-year high school students according to the school last attended. She proportionately and randomly chose students from each group. Which random sampling technique did she apply?

• cluster
• simple
• stratified
• systematic

• 5
• 6
• 7
• 8

• 5
• 6
• 7
• 8

• 2.24
• 2.45
• 2.65
• 2.83

The following are the sample scores of students: 10, 5, 8, 10, and 7. What is the value of the sample variance s²?

• 3.5
• 4
• 4.5
• 5

The following are the sample scores of students: 10, 5, 8, 10, and 7. What is the value of the sample standard deviation, s?

• 1.87
• 2
• 2.12
• 2.24