EOC Remediation Center/Variability
Flashcard
•
Mathematics
•
9th - 10th Grade
•
Hard
+3
Standards-aligned
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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 all the values in a data set, calculated by summing all the values and dividing by the number of values.
Tags
CCSS.6.SP.B.5C
2.
FLASHCARD QUESTION
Front
What is the median in a data set?
Back
The median is the middle value in a data set when the values are arranged in ascending order. If there is an even number of values, the median is the average of the two middle values.
Tags
CCSS.6.SP.B.5C
3.
FLASHCARD QUESTION
Front
What does it mean for data to be symmetric?
Back
Data is symmetric when the left and right sides of the distribution are mirror images of each other, meaning the mean and median are equal.
4.
FLASHCARD QUESTION
Front
What is skewness in a data distribution?
Back
Skewness refers to the asymmetry of the distribution of values in a data set. A distribution can be positively skewed (tail on the right) or negatively skewed (tail on the left).
5.
FLASHCARD QUESTION
Front
When is the median a better measure of center than the mean?
Back
The median is a better measure of center when the data is skewed or contains outliers, as it is less affected by extreme values.
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
6.
FLASHCARD QUESTION
Front
What happens to the mean if a very large negative number is added to a data set?
Back
The mean will decrease, as the large negative number pulls the average down.
7.
FLASHCARD QUESTION
Front
What is the relationship between mean and median in a positively skewed distribution?
Back
In a positively skewed distribution, the mean is greater than the median.
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
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