CAT like experience before 24 Nov 🥳 All-India Mocks by 100%iler at just ₹ 499 (Inc. Video solutions). Enroll now
Edit MetaData
If the standard deviation of the data : 7, 10, 13, 16, ... , 121 is $$\sigma$$ then the standard deviation of the data 50, 71, 92, .... 848 is
$$\sigma^{2} + 1$$
$$8\sigma$$
$$7\sigma^{2} + 1$$
$$7\sigma$$
Create a FREE account and get:
Login to your Cracku account.
Enter Valid Email
Follow us on
Incase of any issue contact support@cracku.in
Boost your Prep!
Quick, Easy and Effective Revision
By proceeding you agree to create your account
Free CAT Formulae PDF will be sent to your email address soon !!!
Join cracku.in for Expert Guidance.