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22 Cards in this Set
- Front
- Back
What is this? |
Ray |
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What is this? |
Angle |
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What type of angle is this? |
Acute Angle |
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What type of angle is this? |
Right Angle |
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What type of angle is this? |
Obtuse Angle |
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What type of angle is this? |
Straight Angle |
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What type of angle is this? |
Complementary Angle |
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What type of angle is this? |
Supplementary Angle |
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What is point B of this angle/ |
Vertex |
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Adjacent Angles share a what? |
A ray/line (next to each other) |
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Vertical Angles share a what? |
A vertex (opposite of each other) |
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What is line a,b? |
Diameter |
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What is line O,C? |
Radius |
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What is line P,Q? |
Chord |
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Define Population. Give an example. |
Group of people about whom the information is being gathered (group of people a sample represents) The population of a sample of 300 students would be the whole school. |
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Define Sample. Give an example. |
Part of the population you are sampling. 200 students out of 600 would be the sample. |
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Define Convenience Sample. Give an example. |
Subgroup of population where it is easy to collect data. Only sampling students in your classroom. |
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Define Cluster Sample. Give an example. |
A subgroup of the population that contains a common characteristic. Sampling only the 8th graders, their common characteristic is that they are all in 8th grade. |
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Define Voluntary Response Sample. Give an example. |
Contains only the sample of the population that chose to respond or not, Posting a survey online and letting anyone respond. |
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Define Random Sample. Give an example. |
Picking random people out of the population. ( Best type of sampling ) Picking 5 random people out of each classroom. |
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Define Representative Sample. Give an example. |
Subgroup of the population that matches the general characteristics of the entire population. 10% of students for boys and girls, same ratio, from each grade. |
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What is the triangle inequality and what does it say? |
The triangle inequality tells whether or not three side lengths can form a triangle or not. Example: 2, 5, 12 Using these numbers this is your inequality: 2+5>12 This is not a true inequality, therefore these numbers cannot form a triangle. |
