What os answer of question no 9 with steps

Is theory important in statistic?

Hello, My question is ki meri coaching class rehti hai... 8 to 5/6 or waha law, economics ka samaj nahi aata coaching me to ghar aake dekhna padtha hai kisi or teacher se class baki subjects bhi padhna hota hai kaise sab time manage karu pura pura time coaching me hi chala jaata hai syllabus bhi complete nahi hua please suggestions de doo

Detailed explanation

Can anyone help me do this question?

Did anyone receive the chart book from vidyodhay education??

Does anyone have ig sir's super chart book ?

Whivh one of the alternative is different from the rest? (a)111-11 (b)15-105 (c)7-91 (d)3-81

What is answer of question no 12

Does anyone have pranav sir's mcq compiler 3rd edition all set?