Sampling Methods

Q. A subset of population is known as

1. Survey
2. Sample
3. Element

Q. is known as the subset of the population.

Q.

Alan is conducting a survey to find out the type of art preferred by students at the town’s high school. Identify the population of his survey and describe a possible sample of the population.

Q. When each element of population has an equal chance for being selected for analysis, then this sample is known as .

1. Random sample
2. Convenience sample
3. Stratified sample
4. Systematic sample

Q. The sampling in which each element of population has an equal chance to get selected for analysis is known as .

Q. A company surveys the last $100$ customers to get their feedback on their products and services. This kind of sampling is representative of sampling.

1. Random
2. Stratified
3. Convenience
4. Systematic

Q. A company Randomly selects $100$ customers. They conduct a survey of these customers to get feedback on their products and services. This kind of sampling is representative of which of the following types of sampling?

1. Stratified Sampling
2. Random Sampling
3. Convenience Sampling
4. Systematic Sampling

Q. An auditor estimates that $100$ calculators of the 450 calculators manufactured on a particular day by a company are defective. $50$ calculators are tested, out of which $8$ turn out to be defective. Is the auditor's claim accurate?

1. $Yes$
2. $No$
3. $CannotSay$

Q. In which type of sampling, population is divided into sub-populations and random elements are chosen from each of them?

1. Systematic Sampling
2. Stratified Sampling

Q. Selection of elements according to set schedule or plan is known as .

1. Random sample
2. Stratified sample
3. Systematic sample
4. Convenience sample

Q.

You want to estimate the number of students in your school whose favourite subject is biology. You survey the first 10 students who arrive at biology club. Determine whether the sample is biased or unbiased. Explain.

Q. A company puts up a feedback form which the customers can choose to fill to give feedback on their products and services. This kind of sampling is representative of which of the following types of sampling?

1. Stratified Sampling
2. Random Sampling
3. Convenience Sampling
4. Self-Selected Sampling

Q. A company surveys the first $5$ customers of the last $10$ years to get feedback on their products and services. This kind of sampling is representative of which of the following types of sampling?

1. Systematic Sampling
2. Convenience Sampling
3. Random Sampling
4. Stratified Sampling

Q. The principal of a school randomly selects $15$ students to decide the destination for the annual outing. This sampling represents which type of sampling?

1. Stratified sampling
2. Random sampling

Q. When population is divided into sub populations and random elements are chosen from each of them, then that sample is known as .

1. Random sample
2. Systematic sample
3. Stratified sample
4. None of these

Q. A company surveys randomly selected $20$ customers from each of its last $5$ production cycles. This kind of sampling is representative of sampling.

1. Random
2. Stratified
3. Convenience
4. Systematic

Q. To gather feedback on their services, a restaurant decided to put up a feedback form. Customers have the option of filling out the form or not. Which type of sampling method is this?

1. Self- selected sampling
2. Convenience sampling

Q. Different ways of sampling can often lead to different outcomes.

1. True
2. False

Q. Which of the following can be measured by National Surveys $?$

1. Per capita income
2. Literacy rate
3. Unemployment rate
4. All of the above.