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Worksheet: Sample and Population Methods

Q1:

Which of the following data sets would be suitable to collect information about the quantity of oil available in different locations in the US?

  • A samples
  • B mass population

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:

Dalia 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 population characteristic
  • Ba sample statistic

Q5:

Bassem 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 sample statistic
  • Ba population characteristic

Q6:

A study claims that 9 6 % 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

Q7:

Which is the most appropriate method for collecting data about the amount of salt in seawater.

  • A sample method
  • B mass population method

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 sample method
  • B mass population 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 mass population
  • B samples

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 mass population method
  • B sample method

Q17:

Which of these makes an inference in statistics?

  • Aworking out the percentage of a population that exhibits a certain characteristic
  • Bgenerating a random sample from a given population
  • Ccomputing a statistic from the sample
  • Dapplying conclusions drawn from a sample of a whole population

Q18:

A poll was published before a senate election predicting that Mrs. Smith would win with 5 2 % 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