Topic 4.1Math AI8 flashcards

Introduction to statistics

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Card 1 of 84.1.1

4.1.1

Question

Population

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All Flashcards in Topic 4.1

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4.1.18 cards

Card 1definition

Question

Population

Answer

Entire group studied

💡 Hint

Total group

Card 2definition

Question

Sample

Answer

Subset selected for study

💡 Hint

Portion

Card 3definition

Question

Random Sample

Answer

Equal probability selection

💡 Hint

Each member equal chance

Card 4concept

Question

Why sampling?

Answer

Saves time, cost, resources

💡 Hint

Practical

Card 5concept

Question

Bias sources

Answer

Non-random selection excludes members

💡 Hint

Selection method

Card 6definition

Question

Example

Answer

Population: 2000 students. Sample: 200 random

💡 Hint

School study

Card 7concept

Question

Representativeness

Answer

Sample accurately reflects population

💡 Hint

Quality

Card 8concept

Question

IB emphasis

Answer

Expects random selection to minimize bias

💡 Hint

IB focus

Topic 4.1 study notes

Full notes & explanations for Introduction to statistics

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