Question

the time (in seconds) taken by a group of people to walk across a pedestrian crossing is given in the table below. Time (in seconds) 5-10, 10-15, 15-20, 20-25, 25-30, no.of people, 4, 8, 15, 12, 11, calculate the variance and standard deviation of the data ​

Answer 1

Step-by-step explanation:

A paragraph is a group of words put together to form a group that is usually longer than a sentence. Paragraphs are often made up of several sentences. There are usually between three and eight sentences. ... This topic sentence of the paragraph tells the reader what the paragraph will be about.