Question

11) The annual attendance of 58 girls in Std 8th is given below.
169, 168, 171, 180, 165, 190, 195, 159, 153, 185, 158, 156, 163, 167, 179, 157, 174,
164, 184, 184, 175, 179, 174, 183, 197, 172, 188, 172, 161, 173, 166, 166, 162, 170,
178, 182, 178, 177, 171, 177, 177, 171, 193, 187, 192, 182, 176, 176, 180, 186, 181,
171, 178, 192, 177, 187, 191, 176
Prepare a frequency table for the data using the class intervals as 150-155, 155-
160.....so on. Also draw histogram for the data.​

Answer 1

Answer:

Heart is the vital organ of the human body. Heart plays a major role in our body. The heart is responsible for major functions and transportation in our body.

Heart

The heart is an organ that pumps blood throughout the body. Human circulatory system is responsible for the transport of materials inside the human body. The organs of the circulatory system are heart, arteries, veins and capillaries. It comprises four chambers: