Question

12 निम्नलिखित आँकड़ा का माध्यक ज्ञात करें।
[NCERT]
)
वर्ग-चिह
35
45
55
65
75
85
20
26
12
बारंबारता
7
15
10
से माध्यकजात करें​

Answer 1

Step-by-step explanation:

1. Hydroelectricity, or hydroelectric power, is electricity produced from hydropower. In 2015, hydropower generated 16.6% of the world's total electricity and 70% of all renewable electricity, and was expected to increase by about 3.1% each year for the next 25 years.

Answer 2

Answer:

sorry i don't know the answer