Find the mean deviation about the mean for the data:
4, 7, 8, 9, 10, 12, 13, 17
3
Find the mean deviation about the mean for the data:
38, 70, 48, 40, 42, 55, 63, 46, 54, 44
8.4
Find the mean deviation about the median for the data:
13, 17, 16, 14, 11, 13, 10, 16, 11, 18, 12, 17
2.33
Find the mean deviation about the median for the data:
36, 72, 46, 42, 60, 45, 53, 46, 51, 49
7
Find the mean deviation about the mean for the following data:
\(x_i\): 5, 10, 15, 20, 25
\(f_i\): 7, 4, 6, 3, 5
6.32
Find the mean deviation about the mean for the following data:
\(x_i\): 10, 30, 50, 70, 90
\(f_i\): 4, 24, 28, 16, 8
16
Find the mean deviation about the median for the following data:
\(x_i\): 5, 7, 9, 10, 12, 15
\(f_i\): 8, 6, 2, 2, 2, 6
3.23
Find the mean deviation about the median for the following data:
\(x_i\): 15, 21, 27, 30, 35
\(f_i\): 3, 5, 6, 7, 8
5.1
Find the mean deviation about the mean for the grouped data:
Income per day (₹): 0–100, 100–200, 200–300, 300–400, 400–500, 500–600, 600–700, 700–800
No. of persons: 4, 8, 9, 10, 7, 5, 4, 3
157.92
Find the mean deviation about the mean for the grouped data:
Height (cm): 95–105, 105–115, 115–125, 125–135, 135–145, 145–155
No. of boys: 9, 13, 26, 30, 12, 10
11.28
Find the mean deviation about the median for the following data:
Marks: 0–10, 10–20, 20–30, 30–40, 40–50, 50–60
No. of girls: 6, 8, 14, 16, 4, 2
10.34
Calculate the mean deviation about median age for the age distribution of 100 persons:
Age (years): 16–20, 21–25, 26–30, 31–35, 36–40, 41–45, 46–50, 51–55
No. of persons: 5, 6, 12, 14, 26, 12, 16, 9
7.35