Remediation 6.1 CFA Statistical Vocabulary
Presentation
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Mathematics
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11th Grade
•
Practice Problem
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Easy
+1
Standards-aligned
Amanda Wood
Used 5+ times
FREE Resource
4 Slides • 8 Questions
1
Observational Study: which collects data about some characteristic(s) of the population by observation, by a survey or interview, or by other means.
Experimental Study: participants are separated into one or more groups and receive some sort of treatment.
2
A Survey is a questionnaire in which each participant fills out their own responses.
A survey is often used to find out general information or to attempt to determine public opinion on a topic.
Example: Customer Satisfaction Surveys.
3
Multiple Choice
In the context of surveying, how would you differentiate between a sample and a population?
A sample refers to a specific demographic, while a population refers to a general demographic.
A sample refers to the entire group being surveyed, while a population is a smaller group within it.
A sample is a subset of the population being surveyed, while a population refers to the entire group.
In surveying, a sample and a population are essentially the same thing.
4
Multiple Choice
Survey, experiment, or observational study:
When left unsupervised, will children eat a bowl of candy?
Survey
Observational study
Experimental study
5
Multiple Choice
A study of 1,000 people aged 20–30 asked how much television each person watches each night and how each person would rate their energy level in the evenings.
Is this study a survey, observational study, or experimental study?
Survey
Observational study
Experimental Study
6
Multiple Choice
One group of subjects was given an herbal supplement and another group was given a placebo. After one year, the number of illnesses each group had was compared.
Observational Study
Experiment
7
Treatment Group: a group to receive the treatment.
Control Group: a group that does not receive any treatment.
Treatment: what is given to the treatment group.
8
Multiple Choice
To test the effects of eating breakfast on test grades. I randomly select half of my students and feed them breakfast while giving the other half nothing to eat. I then give them all a test and compare the test grades of each group. What is the control group for this experiment?
The students who did not get any breakfast from me.
The students who pass the test.
The tests.
There was no control
9
Multiple Choice
To test the effects of eating breakfast on test grades. I randomly select half of my students and feed them breakfast while giving the other half nothing to eat. I then give them all a test and compare the test grades of each group. What is the treatment group for this experiment?
The students who did get breakfast from me.
The students who pass the test.
The tests.
There was no control
10
Unbiased Sample: Represents entire population; Valid
Biased Sample: Over- or Under-represents part of the population; Invalid
11
Multiple Choice
A computer science teacher wants to know how often students at a school access the Internet. The teacher uses a sample of students from one of her computer classes.
Biased
Unbiased
12
Multiple Choice
Your school principal randomly selects 5 students from each grade to complete a survey about school spirit.
Biased
Unbiased
Observational Study: which collects data about some characteristic(s) of the population by observation, by a survey or interview, or by other means.
Experimental Study: participants are separated into one or more groups and receive some sort of treatment.
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