Show:
DATA CONCEPTS
SAMPLING vs. CENSUS
DATA COLLECTION
INTERPRETING DATA
BIAS
100
There are gaps in between the possible values
What is DISCRETE (NUMERICAL) Data?
100
Divides population into groups and then a simple random sample is taken from each group.
What is Stratified Random Sample
100
Looks at situation already occurring.
What is an observational study?
100
Data collected directly from the researcher.
What is primary data?
100
The Maple Leafs are great, right?
What is a leading question?
200
Quantitative data is another term for this type of data.
What is Numerical data?
200
Put all the names in the population in a hat and pick 100 randomly.
What is simple random sample.
200
The participants in an experiment that don't receive the treatment.
What is the control group?
200
A chart stating the sleep habits of one person.
What is microdata?
200
A survey is sent to parent of school-age children that asks whether speed bumps should be installed in front of the school.
What is sampling bias?
300
Nominal and Ordinal Data
What are the 2 types of Categorical data?
300
You want to select 100 students out of 1000 students and you assign each student a number from 0001-1000 and you start from a random number and pick every 10th number.
What is Systematic Sampling?
300
Control, randomization, replication
What are the three things that must happen for an experiment to occur?
300
A Statistics Canada chart used by a high school teacher to teach her lesson.
What is secondary data?
300
Multiple choice questions are given.
What is a leading question?
400
The type of data, and its subgroup, that is gathered when a survey asks, "How many Siblings do you have?"
What is numerical, discrete data?
400
The student council decided to conduct a survey regarding opinions on PED use at school. They decided to interview 240 students, or 10% of the student population. Thus, the students randomly selected 40 % if the classes, They then choose 25% if the students to be interviewed (25% of 40% of the classes is 10% of the students).
What is multistage sampling?
400
A researcher interviews people as they leave the gym and finds that they get fewer colds compared to people who not go to the gym.
What is an observational study?
400
The relationship between time spent running (minutes) and heart rate (BPM).
What is, "As time spent running increases, heart rate also increases."?
400
Sending an automated phone dialler to everyone in the population.
What is non-response bias?
500
This type of data involves a survey asks people for their hair colour.
What is categorical nominal data?
500
A researcher is interested in interviewing al of the member of NYC police force who do not live in the city. He gets a roster of the names of all officers on the force, randomly selects 5 police stations and then conducts interviews of all officers in those stations.
What is cluster random sampling?
500
A botanist is studying the effects of acidity on rate of growth. He grows one group of plants using water with neutral pH. She grows each other group using water with increasingly acidic pH levels.
What an experimental study?
500
A ball is dropped at various heights to see what the bounce height is. The bounce height is the _______________variable.
What is dependent?
500
Favour and Nav are debating over who should win the presidential election. Jilsy is doing her homework when Nav approaches her saying, "Trump is sexist, racist, and against immigration. Would you still vote for him?"
What is a loaded question?