Mathematics

Question

Identify the type of sampling (cluster, convenience, random, stratified, systematic) which would be used to get each of the following samples: (a) For a period of two days measure the length of time each fifth person coming into a bank waits in line for teller service. (b) Take a random sample of five zip codes from the Chicago metropolitan region and count the number of students enrolled in the first grade for every elementary school in each of the zip code areas. (c) Divide the users of the Internet into different age groups and then select a random sample from each age group to survey about the amount of time they spend on the Internet each month. (d) Survey five friends regarding their opinion about the quality of food in the student cafeteria. (e) Pick a random sample of students enrolled at your college and determine the number of credit hours they have each accumulated toward their degree program.

2 Answer

  • A) systematic
    B) cluster
    C) stratified
    D) convenience
    E) random

    If you need explanation, just let me know!
  • Systematic , cluster, stratified , convenience , random is the the type of sampling done respectively

    What is Sampling ?

    Sampling is a process used in statistical analysis in which a predetermined number of observations are taken from a larger population.

    The methodology used to sample from a larger population depends on the type of analysis being performed, but it may include simple random sampling or systematic sampling.

    • For a period of two days measure the length of time each fifth person coming into a bank waits in line for teller service : Systematic Sampling

    • Take a random sample of five zip codes from the Chicago metropolitan region and count the number of students enrolled in the first grade for every elementary school in each of the zip code areas: Cluster Sampling

    • Divide the users of the Internet into different age groups and then select a random sample from each age group to survey about the amount of time they spend on the Internet each month. : Stratified Sampling

    • Survey five friends regarding their opinion about the quality of food in the student cafeteria.: Convenience Sampling

    • Pick a random sample of students enrolled at your college and determine the number of credit hours they have each accumulated toward their degree program. : Random Sampling

    Hence Identified.

    To know more about Sampling

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