Statistics
Flashcard
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does L stand for in the formula for the median class?
Back
Lower boundary of the median class.
2.
FLASHCARD QUESTION
Front
What does f₁ represent in statistics?
Back
Frequency of the modal class.
3.
FLASHCARD QUESTION
Front
What is the formula for mean in the step deviation method?
Back
Mean = A + (Σd / N) * h, where A is the assumed mean, d is the deviation, N is the total frequency, and h is the class width.
4.
FLASHCARD QUESTION
Front
What is the formula for mode?
Back
Mode = L + [(f₁ - f₀) / (2f₁ - f₀ - f₂)] * h, where L is the lower boundary of the modal class, f₁ is the frequency of the modal class, f₀ is the frequency of the class preceding the modal class, and f₂ is the frequency of the class succeeding the modal class.
5.
FLASHCARD QUESTION
Front
How do you find the mode of a data set?
Back
Identify f₁ (frequency of the modal class) and L (lower boundary of the modal class).
6.
FLASHCARD QUESTION
Front
What is the definition of frequency in statistics?
Back
Frequency is the number of times a particular value or category occurs in a data set.
7.
FLASHCARD QUESTION
Front
What is cumulative frequency?
Back
Cumulative frequency is the sum of the frequencies for all classes up to and including the current class.
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