# Worksheet: Sample and Population Methods

In this worksheet, we will practice determining the appropriate method for collecting data, choosing between sample or mass population method.

**Q2: **

Which of the following data sets would be suitable to check the education level in the poor villages in Africa?

- A samples
- B mass population

**Q3: **

Which of the following data sets would be a suitable to evaluate the service of one of the hotels in the UK?

- A samples
- B mass population

**Q4: **

Olivia knows all the families living in her area quite well. She says she has found out that the average number of children per family is 2.3. Is this figure a sample statistic or a population characteristic?

- Aa sample statistic
- Ba population characteristic

**Q5: **

Jacob asked all the students in his class how many text messages they send on average per day. He found out that the average was 24. He then claimed that students in his school send on average 24 text messages per day. Is this figure a sample statistic or a population characteristic?

- Aa population characteristic
- Ba sample statistic

**Q6: **

A study claims that of people aged 16 to 24 in a certain country own a smart phone. Is this a sample statistic or a population characteristic?

- Aa sample statistic
- Ba population characteristic

**Q8: **

Which of the following data sets is suitable to examine the blood type of a patient?

- A samples
- B mass population

**Q9: **

Determine the appropriate method for collecting the data in the following case: checking the quality of wheat before buying.

- A mass population method
- B sample method

**Q10: **

Which of the following data sets would be suitable to check the quality of production of a car manufacturer?

- A samples
- B mass population

**Q11: **

Which of the following data sets would be suitable to see the ratio of bacteria in water in a stream?

- A samples
- B mass population

**Q12: **

Which of the following data sets would be suitable to find how far a crop infestation has spread?

- A samples
- B mass population

**Q13: **

Which of the following data sets is suitable to calculate how many hospitals there are in a city?

- A mass population
- B samples

**Q14: **

Which of the following data sets would be suitable to determine the average score on a test in a class with 25 students?

- A mass population
- B samples

**Q15: **

Which of the following data sets is suitable to measure the individual incomes of the population?

- A samples
- B mass population

**Q16: **

Which would be the most appropriate method for collecting the data when checking the status of newly fitted gas pipes before switching on distribution?

- A sample method
- B mass population method

**Q17: **

Which of these makes an inference in statistics?

- Acomputing a statistic from the sample
- Bworking out the percentage of a population that exhibits a certain characteristic
- Capplying conclusions drawn from a sample of a whole population
- Dgenerating a random sample from a given population

**Q18: **

A poll was published before a senate election predicting that Mrs. Smith would win with of the votes cast. Is this figure a sample statistic or a population characteristic?

- Aa sample statistic
- Ba population characteristic

**Q19: **

The last census showed that slightly more than one-third of people rent the home where they live. Is this figure a sample statistic or a population characteristic?

- Aa population characteristic
- Ba sample statistic

**Q21: **

A school principal was happy to announce that the number of late arrivals per day in the whole school was only five on average. Is this figure a sample statistic or a population characteristic?

- Aa population characteristic
- Ba sample statistic