Question

Marks in mathematics 0-9 10-19 20-29 30-39 40-49
No. of students 10 8 12 15 5
Frequency density of the second class is? A) 0.8
B) 8
C) 1.2
D)1​

Answer 1

Step-by-step explanation:

answere is 0.8 pls mark me as brainliest

Answer 2

Answer:

kitni der se aap lines ko dekh rahi ho acha laga kya