Statistics

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of median in statistics?
Back
The median is the middle value in a data set when the numbers are arranged in ascending or descending order.
2.
FLASHCARD QUESTION
Front
How do you find the median of a data set with an even number of values?
Back
To find the median, average the two middle numbers after arranging the data in order.
3.
FLASHCARD QUESTION
Front
What is relative frequency?
Back
Relative frequency is the ratio of the frequency of a particular category to the total number of data values.
4.
FLASHCARD QUESTION
Front
What is joint relative frequency?
Back
Joint relative frequency is the ratio of the frequency of a specific category to the total number of data values, often used in two-way tables.
5.
FLASHCARD QUESTION
Front
What is conditional relative frequency?
Back
Conditional relative frequency is the ratio of the frequency of a category given a specific condition, divided by the total frequency of that condition.
6.
FLASHCARD QUESTION
Front
What is marginal relative frequency?
Back
Marginal relative frequency is the ratio of the total frequency of a category to the total number of data values.
7.
FLASHCARD QUESTION
Front
How do you calculate the total number of surveyed individuals from a frequency table?
Back
Add all the frequencies in the table to find the total number of surveyed individuals.
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