What are the values of Q1 and Q3?

What are the values of Q1 and Q3?

Q1 is the median (the middle) of the lower half of the data, and Q3 is the median (the middle) of the upper half of the data. (3, 5, 7, 8, 9), | (11, 15, 16, 20, 21). Q1 = 7 and Q3 = 16.

What is the value of Q3?

Q3 is the middle value between Q2 and the highest score: 84. (Or if you include the median, Q3 = (82 + 84)/2 = 83).

What is the value of Q1?

Q1 is the middle value in the first half of the data set. Since there are an even number of data points in the first half of the data set, the middle value is the average of the two middle values; that is, Q1 = (3 + 4)/2 or Q1 = 3.5.

How many quartiles are there?

Quartiles divide the entire set into four equal parts. So, there are three quartiles, first, second and third represented by Q1, Q2 and Q3, respectively.

What is Q1 in stats?

The lower quartile, or first quartile (Q1), is the value under which 25% of data points are found when they are arranged in increasing order. The upper quartile, or third quartile (Q3), is the value under which 75% of data points are found when arranged in increasing order.

How do I find the lower fence?

Fences are usually found with the following formulas:

1. Upper fence = Q3 + (1.5 * IQR)
2. Lower fence = Q1 – (1.5 * IQR).

What is q1 q2 and Q3 in statistics?

Quartile 1 (Q1) = 4 Quartile 2 (Q2), which is also the Median, = 5 Quartile 3 (Q3) = 7 Sometimes a “cut” is between two numbers… the Quartile is the average of the two numbers.

What is lower quartile Q1 and upper quartile Q3?

The lower quartile Q1 is the median of the lower half of the data. The upper quartile Q3 is the median of the upper half of the data. What is the 1.5 IQR rule?

How do you calculate Q1 and Q3 in Excel?

How do you calculate Q1 and Q3? Q1 is the median (the middle) of the lower half of the data, and Q3 is the median (the middle) of the upper half of the data. (3, 5, 7, 8, 9), | (11, 15, 16, 20, 21). Q1 = 7 and Q3 = 16.

What are the three quartiles in statistics?

There are three quartiles: the first quartile (Q1), the second quartile (Q2), and the third quartile (Q3). The first quartile (lower quartile, QL), is equal to the 25th percentile of the data.