What is a biased sample?
Bid Ideas Math Ch. 8 Test Review

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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A biased sample is one where not all individuals have an equal chance of being selected, leading to results that may not accurately represent the population.
2.
FLASHCARD QUESTION
Front
What does it mean for a sample to be random?
Back
A random sample is one where every individual in the population has an equal chance of being selected, ensuring that the sample is representative.
3.
FLASHCARD QUESTION
Front
What is the measure of center in statistics?
Back
The measure of center refers to a value that represents the center of a data set, commonly calculated as the mean, median, or mode.
4.
FLASHCARD QUESTION
Front
What is the mean?
Back
The mean is the average of a data set, calculated by adding all values together and dividing by the number of values.
5.
FLASHCARD QUESTION
Front
What is the median?
Back
The median is the middle value of a data set when the values are arranged in order.
6.
FLASHCARD QUESTION
Front
What is the mode?
Back
The mode is the value that appears most frequently in a data set.
7.
FLASHCARD QUESTION
Front
What is the measure of variation?
Back
The measure of variation indicates how spread out the values in a data set are, commonly assessed using range, variance, or standard deviation.
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