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Q: What is the third quartile q3 of th efollowing distribution?
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One of the values of a variable which divides the distribution of the variable into four groups having equal frequency?

A quartile divides a distribution into four equal parts, each containing 25% of the data. The first quartile (Q1) represents the value below which 25% of the data fall, the second quartile (Q2) is the median, and the third quartile (Q3) is the value below which 75% of the data fall.


How do you calculate first and third quartile?

first quartile (Q1) : Total number of term(N)/4 = Nth term third quartile (Q3): 3 x (N)/4th term


What is the formula for coefficient of quartile deviation?

coefficient of quartile deviation: (Q3-Q1)/(Q3+Q1)


How do you do interquartile range step by step?

Step 1: Find the upper quartile, Q3.Step 2: Find the lower quartile: Q1.Step 3: Calculate IQR = Q3 - Q1.Step 1: Find the upper quartile, Q3.Step 2: Find the lower quartile: Q1.Step 3: Calculate IQR = Q3 - Q1.Step 1: Find the upper quartile, Q3.Step 2: Find the lower quartile: Q1.Step 3: Calculate IQR = Q3 - Q1.Step 1: Find the upper quartile, Q3.Step 2: Find the lower quartile: Q1.Step 3: Calculate IQR = Q3 - Q1.


If q1q2q3 are three quartiles then Coefficent of quartile deviation is?

coefficient of quartile deviation is = (q3-q1)/(q3+q1)


Find the first and third quartiles Q1 and Q3 what set of numbers 347 242 146 391 249 567 277 218 319?

242 is the first quartile. 347 is the third quartile.


Formula of quartile deviation?

Q3-q1


How do you determine Q1 and Q3 in quartile deviation?

6,6,9,5,8,9,6,7,8,8,6,5,5,6,8,5,7,7,8,6,5,9,10,14,5,8,5,8,10,10,7,7,7,8,6,6,7,5,7,8,8,5,6,6,7,7,7,6,6,9


What is the formula for quartile deviation?

(q3-q1)/2


Calculating quartile deviation for grouped and ungrouped data?

(q3-q1)/2


What is math outlier?

There is no standard definition.If Q1 is the lower quartile and Q3 the upper quartile of a set of observations, then the inter quartile range (IQR) is Q3 - Q1.Outliers may be defined as values which are smaller than Q1 - k*(IQR) or larger than Q3 + k*IQR where k is some non-negative real number.


What is a inter quatile range?

The interquartile range (IQR) is a measure of statistical dispersion, or spread, that provides information about the middle 50% of a dataset. It is calculated as the difference between the third quartile (Q3) and the first quartile (Q1) and is useful for identifying outliers and understanding the variability of the data.