Math 1 EOC Review (Statistics/Data)

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the mean in a data set?
Back
The mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.
2.
FLASHCARD QUESTION
Front
What happens to the mean if a value greater than the current mean is added to the data set?
Back
The mean will increase.
3.
FLASHCARD QUESTION
Front
What is a histogram?
Back
A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges.
4.
FLASHCARD QUESTION
Front
What does it mean if a histogram is skewed right?
Back
A right-skewed histogram has a longer tail on the right side, indicating that there are a few high values that are pulling the mean to the right.
5.
FLASHCARD QUESTION
Front
What does it mean if a histogram is skewed left?
Back
A left-skewed histogram has a longer tail on the left side, indicating that there are a few low values that are pulling the mean to the left.
6.
FLASHCARD QUESTION
Front
What is normal distribution?
Back
Normal distribution is a probability distribution that is symmetrical and bell-shaped, where most of the observations cluster around the central peak.
7.
FLASHCARD QUESTION
Front
How do you find the median of a data set?
Back
To find the median, arrange the data in ascending order and identify the middle value. If there is an even number of values, the median is the average of the two middle values.
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