Title: sampling
Course: 2025 Probabilidad y Estadística

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Q: A principal wants to conduct a survey to assess the academic level of the school, and improve the infrastructure of the building. If the population of the school is 500 students on 1^st semester, 600 on 3^rd semester and 450 on 5^th
- Stratified or cluster random samples
- systematic random sample
- simple random sample and systematic
A: Stratified or cluster random samples

Q: The most common financial problem in the country is tax evasion. To check that taxpayers are up to date on their payments, the government decided to take a national sample.
- Cluster random sample
- Stratified random sample
- Simple random sample
- Systematic random sample
A: Cluster random sample

Q: A company studies the possibility of opening new supermarkets in some area of the city. Within the market research process, a survey of potential clients in the study area should be carried out.
- Simple random sample
- Cluster random sample
- Stratified random sample
- Systematic random sample
A: Simple random sample

Q: The production manager of a factory wants to know if the products meet the standard established requirements. He decided to take a sample of 100 products out of a total of 2000 items produced a day. To check every product costs a lot of many and takes a lot of time, Which is the best option he has?
- Systematic random sample
- Simple random sample
- Cluster or systematic random sample
- Stratified random sample
A: Systematic random sample

Q: In order to find out the people opinion about the nursing service in a hospital, they wanted to apply a survey. It takes time and money to make a census, so they want to take a sample. What sampling technique do you suggest?
- Simple or stratified random sample
- Cluster or systematic random sample
- Stratified random sample
- Cluster random sample
- Simple random sample
A: Simple or stratified random sample

Q: Select the ones that are Bad sampling techniques
- Simple random sample and Convenience
- convenience and voluntary response
- Stratified sample and voluntary response
- Systematic and stratified sample
A: convenience and voluntary response

Q: Select the sample technique that applies in the next situation:

A truck manufacturer selects 3 trucks at random from each of 6 models for safety testing.
- Simple random sample
- Stratified random sample
- Cluster random sample
- systematic random sample
A: Stratified random sample

Q: Select the correct sample technique:

In a music school are going to make a festival, and they need to get ideas from the musicians, the principal decided to select a small group of students of each group: guitar, violin, piano, saxophone, and trumpet.
- Simple random sample
- Stratified random sample
- Cluster random sample
- Systematic random sample
A: Stratified random sample

Q: Select the correct sampling technique:

In a neighborhood decide to create a 10 people committee, writing the number of each house in small papers and making a raffle to select them.
- Simple random sample
- Stratified random sample
- Cluster sample random
- Systematic random sample
A: Simple random sample

Q: Select the correct sample technique

The manager of a Movie theater wants to make a statistical study about the preference on the candy store, so he decide to make the surveys on the first function on Saturday.
- Simple random sample
- Stratified random sample
- Cluster sample random
- Systematic random sample
A: Cluster sample random

Q: Select the corresponding sample:

A restaurant leaves comment cards on every table and encourages customers to participate in a brief survey to learn about their overall experience.
- Stratified random sample
- Convenience sample
- Voluntary response
- Simple random sample
- Cluster random sample
A: Voluntary response