Given below is the data found on a group of school going students. Study the data and answer the questions that follow:
(i) what is the class size of the third class interval.
(ii) what is the upper limit of the fifth class interval.
(iii) what is the class mark of the sixth class interval.
(iv) How many students have their height less than or equal to 180.
Answers & Comments
Answer:
फेयजि तदयफ् tb यनय्फ्य् tb रट ति यों
[tex](a + b) {}^{2} [/tex]