If the class interval is 1 - 10, 11- 20 , 21- 30, 31 - 40, 41-50 and frequency is 5, 8, 15, 23, 35 a) prepare a clear distribution table
b) calculate the arithmetic mean
Answers
Answer:
search-icon-header
Search for questions & chapters
search-icon-image
Class 11
>>Economics
>>Measures of Central Tendency
>>Arithmetic Mean in Statistics
>>Calculate the arithmetic mean of given f
Question
Bookmark
Calculate the arithmetic mean of given frequency distribution table.
Class-interval 0−10 10−20 20−30 30−40 40−50 50−60
Frequency 7 14 28 26 16 9
Easy
Solution
verified
Verified by Toppr
class interval frequency (f) mean value (x) fx
0 - 10 7 5 35
10 - 20 14 15 210
20 - 30 28 25 700
30 - 40 26 35 910
40 - 50 19 45 720
50 - 60 9 55 495
Sum 100 3070
A.M.=
∑f
i
∑f
i
x
i
=
100
3070
=30.7
Step-by-step explanation:
search-icon-header
Search for questions & chapters
search-icon-image
Class 11
>>Economics
>>Measures of Central Tendency
>>Arithmetic Mean in Statistics
>>Calculate the arithmetic mean of given f
Question
Bookmark
Calculate the arithmetic mean of given frequency distribution table.
Class-interval 0−10 10−20 20−30 30−40 40−50 50−60
Frequency 7 14 28 26 16 9
Easy
Solution
verified
Verified by Toppr
class interval frequency (f) mean value (x) fx
0 - 10 7 5 35
10 - 20 14 15 210
20 - 30 28 25 700
30 - 40 26 35 910
40 - 50 19 45 720
50 - 60 9 55 495
Sum 100 3070
A.M.=
∑f
i
∑f
i
x
i
=
100
3070
=30.7