Calculate the arithmetic mean from the following:
X:
40 to -30
-30 to -20
-20 to -10
-10 to 0
0 to 10
10 to 20
20 to 30
10
28
30
42
65
10
180
4.28
Answers
Answered by
0
Answer:
what please write in partern
Answered by
4
Answer:
4.287
Explanation:
fm.
-35×10. -350
-25×28. -700
-15×30. -450
-5×42. -210
5×65. 325
15×180. 2700
25×10. 250
total = 1565
1565/365 = 4.287
( 365 = total of f )
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