The Presntors
Who were the Barbies presented in the powerpoint
Ray-Anna & Rianna
What is one advantage of random sampling?
easy to conduct, good representation, inexpensive
How many disadvantages were mentioned?
2
What is sampling?
Sampling is the process of selecting observations to provide an adequate description and inferences of the population.
What career did both Barbies want to pursue?
Lawyer
Why is random sampling easy to conduct?
Unlike more complicated sampling methods, researchers do not need to divide the population into subpopulations or take any other additional steps before selecting members. They simply select a random number of people from the total population .
What example was used for sampling errors?
. An example of simple random sampling failing would be if you pull a sample of 25 people from a population of 100. It’s possible, though unlikely, that you could draw 25 men and 0 women, which could skew your results by not including a female perspective.
What two dolls were used in the sampling examples?
Bratz and Barbies
What colour did Barbie Ray-Anna wear?
pink
Why is random sampling inexpensive?
Because you’re simply pulling names from an existing population, no further segmentation is needed to refine groups. This cuts down survey costs significantly.
What was said about incomplete population demographics
Incomplete population demographics- If you’re working with Incomplete population demographics, certain groups could be excluded from the sample.
What did Barbie Rianna have in her hand?
A phone