Median

Q.

Give the formula for calculating the median of ungrouped data.

Q.

Which quartile is equal to median?

Q.

Find the median of the following ungrouped data
1, 3, 9, 5, 3, 7, 9, 2, 6, 9, 5, 3

1. 3

2. 6

3. 5

4. 5.5

Q.

Variable	$10-20$	$20-30$	$30-40$	$40-50$	$50-60$	$60-70$	$70-80$
Frequency	$12$	$30$	$x$	$65$	$y$	$25$	$18$

You are given the median value is $46$ and the total number of items is $230$
Find:
Missing frequency

Q. The median is the observation.

1. most common
2. least common
3. middle most
4. second last

Q. The median of $125$ observation for the given frequency distribution is $22.12$. Find missing frequencies $f_1$ and $f_2$.

Class	$0-4$	$5-9$	$10-14$	$15-19$	$20-24$	$25-29$	$30-34$	$35-39$	$40-44$
Frequency	$3$	$8$	$12$	$f_1$	$35$	$21$	$f_2$	$6$	$2$

Q. If Median $=11.4,L=10,f=500,h=2$ and $c.f.=150$, then find ${}^{\prime }{N}^{\prime }$.

Q.

Q. For which of the following sets of data is the mode and the median the same?

1. 1, 6, 5, 3, 9, 2, 2, 3, 4, 2
2. 2, 1, 9, 2, 3, 0, 7, 7, 2, 1
3. 7, 5, 3, 6, 8, 2, 7, 5, 8, 7
4. 1, 7, 5, 2, 3, 7, 8, 1, 7, 10