CSA #2 Review

Flashcard
•
Mathematics
•
6th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the lower quartile (Q1)?
Back
The lower quartile (Q1) is the value that separates the lowest 25% of a data set from the rest. In the given data, Q1 is 60.
2.
FLASHCARD QUESTION
Front
How do you determine the total number of observations in a histogram?
Back
To determine the total number of observations in a histogram, you sum the heights of all the bars. In the example, there are 31 observations.
3.
FLASHCARD QUESTION
Front
What does a larger spread of data in a dot plot indicate?
Back
A larger spread of data in a dot plot indicates greater variability among the data points. For example, the dot plot for Basketball Players shows a larger spread than that for Softball Players.
4.
FLASHCARD QUESTION
Front
What is a peak in a data display?
Back
A peak in a data display is the highest point where data values are concentrated, indicating the mode or most frequent value.
5.
FLASHCARD QUESTION
Front
How is the mean calculated?
Back
The mean is calculated by finding the sum of all data points and then dividing by the number of data points.
6.
FLASHCARD QUESTION
Front
What is a histogram?
Back
A histogram is a graphical representation of the distribution of numerical data, using bars to show the frequency of data within certain ranges.
7.
FLASHCARD QUESTION
Front
What is the difference between mean and median?
Back
The mean is the average of all data points, while the median is the middle value when the data is arranged in order.
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