Sampling Techniques
What is Random Sampling.
Data that describes numbers is.
What is Quantitative data.
Average is also?
What is mean.
If I was a game developer. Which sampling technique should I use to find out what games elementary school students like?
Stratified Random Sampling.
Find the mode: 2,9,4,7,9,2,9,10
9.
You divide up a population into groups/categories.
What is Stratified Random Sampling.
You find qualitative data by using.
What is Median.
If I was a research who is busy and has no time. What sampling technique would I use to get my data?
Random Sampling.
Find the median: 2,3,9,5,8
5.
Systematic Sampling is the most accurate type of sampling. True or False?
False.
What is Qualitative data.
Mode is.
The number that comes up the most within a data set.
Describe a situation where I will use systematic random sampling.
Yup.
Range=200-23
Range=177
Sampling that does not represent the population.
What is Bad population.
The number of 3-pointers Lebron has in his whole career.
what is Quantitative data
Difference between Lowest and Highest number within a data set.
What is Range.
I want find out how many students at Talbot Trail PS wears the colour blue but I only 1 hour and I am alone collecting this data. What would my strategy be?
Get my message out on the morning announcement for students wearing blue to come to me.
Find the Mean: 10,15,9,62,40,32,11
Mean=10+15+9+62+40+32+11/7
Mean=179/7
Mean=25.57
What is Bias.
You go to 10 different countries to see how many McDonalds they each have.
What is Quantitative data.
Why do we refrain from using Mean sometimes?
Mean is affected by outlier data.
Secondary data is more accurate than primary data as it is checked by someone a second time. True or False?
False. Secondary data is data collected by someone else.
Find the mean, median, and Range: 20,5,6,32,15,11,10,9,1
median: 10