please solve this with steps
Answers
Answer:
8.1
Step-by-step explanation:
Number of plants fi xi fixi
0 - 2 1 1 1
2 - 4 2 3 6
4 - 6 1 5 5
6 - 8 5 7 35
8 - 10 6 9 54
10 - 12 2 11 22
12 - 14 3 13 39
-------------------------------------------------------------------------------
20 162
Mean = fixi / fi
= 162/20
= 81/10
= 8.1