Misinformed Graphs
Sampling
Data Types
Bias
RANDOM
100
The scale does not start at 0 and the intervals are not consistent.
What is a characteristics of a misleading bar graph.
100
convenience survey
Which sampling occurs when a magazine asks its readers to send a survey into them, asking them if they like the new layout.
100
Numerical and Categorical
What are the 2 main types of data?
100
unintentional, intentionally
Often bias is _________, but some people ___________ bias surveys in order to get the results they want.
100
What is Simple Random Sampling
Let us assume you had a school with 1000 students and you want 100 of them for further studying. What type sampling data is this?
200
One graph is smaller than the other graph
What is an example of a misleading pie graph?
200
Systematic Sample
A teacher picks every 10th student to participate in a survey.
200
Numerical, Continuous. Because the data can be any value
A survey asked 1000 people how many hours of TV they watch per week.
200
Measurement Bias
A superintendent suggests that a way to survey if kids do work in the classroom would be to have vice principles monitor each classroom every 25 minutes.
200
What is Measurement bias
A highway engineer suggests that an economical survey traffic speeds on an expressway would be to have police officers patrol the highway and record the speed of the traffic around them every half hour. What type of bias is this?
300
When the graph is not symmetrical
What is a characteristic of a misleading pictograph?
300
Simple Random Sample
A teacher puts her students names in a hat and picks one out at a time to create an order for presentations.
300
Nominal
Examples of this type of categorical data are: blue eyes, green eyes, brown eyes.
300
Sampling Bias
A survey asked grade 12 high school students whether or not they can sign themselves out
300
What is Numerical-Continuous
Height, Weight, Time, Cholesterol level. What type of data types do all these falls in?
400
The years are not consistent
What is an example of a line graph?
400
Multi-Stage requires the sampler to divide the population and choose random samples at each level (random-random), while cluster requires the population to be divided into groups, and randomly assign a number of groups, and sample each member of the chosen groups (random-all)
What is the difference between multi-stage and cluster samples.
400
Continuous Data
Which specific data can have any value in a range?
400
Leading question
What is "do you have any problems with your parents?"
400
What is all MDM4U students this semester
We want to know the time MDM4U students at d'Y spend studying for test this semester. What would be considered the population?
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