1: Given the situation described, identify the type of sampling involved. A student doing a report on fashion trends asks all her best friends their opinion on plaid clothing.
- Random sampling
- Systematic sampling
- Convenience sampling
- Cluster sampling
- Stratified sampling
2: Scripps Hospital surveyed 10 patients on each floor every day in February. Did this study use a sample or the population?
3: A health organization is studying how many fat grams are consumed by adults in a single meal by considering 11 commonly eaten meals chosen at random. Below are the data (in fat grams/meal).
5.1 12.3 15.6 13.1 9.0 7.8 8.1 21.0 12.3 14.1 7.1
From this data, find the sample mean, median, mode and mid-range for this data. Round each to the nearest tenth, if needed. Include units with each answer.
1: Random sampling - The student would select an arbitrary number of her friends in no particular order.
Systematic sampling - Here the student might select her sample by creating a list of her friends alphabetically, and selecting every third person.
Convenience sampling - For this instance the student may just sit in her room and wait ...
THis posting finds the sample mean, median, mode and mid-range for this data. Round each to the nearest tenth, if needed. It also includes units with each answer.