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What type of graph is best for revealing the upper and lower quartiles of a set of data?
box-and-whisker plot
What does a box and whisker plot show about the data?
It is marked by the minimum, and maximum, the median, as well as the lower and upper quartiles. It also shows the skewness of the data.
Are the upper and lower quartiles classed as averages?
No.
What is the lower quartile on a box and whisker plot?
The lower quartile is the line that represents the left-hand edge of the "box", in the box and whisker plot.
What is the definition for lower extreme?
it is the lower number in a box and whisker plot
What information is found in a box-and-whisker plot?
The median, upper quartile, lower quartile, upper extreme ,and lower extreme. This type of chart is good for seeing the average of a group of numbers.
What is the interquartile range a measure of?
The interquartile range is well known as a measure of statistical dispersion. It is equal to difference between upper and lower quartiles. The quartiles is a type of quantile.
What does IQR mean in math?
The interquartile range (IQR) is a measure of variability, based on dividing a data set into quartiles. Quartiles divide a rank-ordered data set into four equal parts.
What is a lower quartile?
A lower quartile i s the mediaon of the lower half of a data set. A data set is divided up into different quartiles.
How do 1 Solve for quartiles in a grouped data?
formula in solving quartiles: QK = ([kN - <CF] / FQK)i where in: Q = Quartile k = given value N = Total number of variables <CF = Lower Frequency of Lower Area i = Interval
What are the numbers used in making a box and whisker plot?
The box goes from the lower quartile to the upper quartile and has the median marked across it. The whiskers stretch out, from the box, to the minimum and the maximum.
How do you find the inner and outer quartiles?
To find the inner quartiles (Q1 and Q3), first arrange your data in ascending order. Q1 is the median of the lower half of the data, and Q3 is the median of the upper half. The inner quartiles divide the data into four equal parts. The outer quartiles also known as the minimum and maximum values, are the smallest and largest values in the data set.
