Question 13If ¯x represents the mean of n observations x1,x2,……xn, then value of ∑ni−1(xi−¯x) is:A) -1B) 0C) 1D) n - 1

Question 13If ¯x represents the mean of n observations x1,x2,……x

1.	Question 13If ¯x represents the mean of n observations x1,x2,……xn, then value of ∑ni−1(xi−¯x) is:A) -1B) 0C) 1D) n - 1
Answer» Question 13 If $¯ x$ represents the mean of n observations $x_{1}, x_{2}, \dots \dots x_{n}$ , then value of $\sum_{i - 1}^{n} (x_{i} - ¯ x)$ is: A) -1 B) 0 C) 1 D) n - 1

Discussion

No Comment Found

Related InterviewSolutions

Is there is any relation between equal and parallel lines
Enter the following transactions in the Cash Book of Chandrika of Chandigarh: 2018 ₹ Jan 1 Chandrika commences business with cash 1,00,000 Jan 3 She opened a Bank Current Account with her Savings Account cheque 19,00,000 Jan 4 She receives cheque from Kirti & Co. on account 60,000 Jan 7 She pays into Bank Kirti & Co.'s cheque- 60,000 Jan 10 She advanced Ratan & Co. by cheque 35,000 Jan 12 Tripathi & Co. pays into her Bank A/c 47,500 Jan 15 She receives cheque from Warsi and allows him discount ₹ 3,500 45,000 Jan 20 She receives cash ₹ 7,500 and cheque ₹ 10,000 from Kalyan against credit balance Jan 25 She pays int Bank, including cheques received on 15th and 20th January 1,00,000 Jan 27 She pays by cheque for purchases of ₹ 27,500 plus CGST and SGST 6% each Jan 28 Cheque received from Warsi was dishonoured Jan 30 She pays sundry expenses in cash 50 Jan 30 She pays John & Co. in cash and is allowed discount ₹ 3,500 37,500 Jan 31 She pays office rent ₹ 20,000 plus CGST and SGST 6% each by cheque Jan 31 She draws a cheque for office use 40,000 Jan 31 She pays staff salaries by cheque 30,000 Jan 31 She pays cash for stationery ₹ 2,500 plus CGST and SGST 6% each Jan 31 She purchases goods for cash ₹ 12,500 plus CGST and SGST 6% each Jan 31 She pays Jagpal by cheque for commission ₹ 30,000 plus CGST and SGST 6% each Jan 31 She receives cheque for commission of ₹50,000 plus CGST and SGST 6% each from Raghubir & Co. and pays the same into bank Jan 31 Cash sales ₹ 45,000 plus CGST and SGST 6% each
In taking out a Trial Balance, an Accountant finds an excess debit of ₹ 1,098. Being desirous of closing his books, he places the difference to Suspense A/c. Later on he detects the following errors:-1. Goods purchased from Surinder for ₹ 350 has been credited to his account as ₹ 530.2. Goods sold to Dinesh for ₹ 800 have been debited to his account as ₹ 880.3. A cheque of ₹ 1,250 received from a debtor had been correctly entered in the cash book but posted to his Personal A/c as ₹ 1,200.4. ₹ 780, paid for freight on machinery purchased was debited to Freight Account as ₹ 708.5. Goods to the value of ₹ 130 returned by a customer Navin Kumar had been posted to the debit of his account.6. ₹ 1,440 paid for repairs to Motor Car were debited to Motor Car A/c as ₹ 1,400.7. Total of purchase return book ₹ 500 was posted to the debit of Purchase A/c.Give necessary rectifying entries and prepare suspense account.
Find the value of ((32)−1)−2.
Prepare Purchases Return Book of Aruna Stores, Kolkata from the following transactions and post them into Ledger: 2018 Jan. 10 Returned to Sohan & Sons, Kolkata: 10 Rohtas fans 36'' ₹ 1,250 each Trade Discount 10% CGST and SGST was paid 6% each Jan. 25 Returned to Ram & Co., Delhi: 25 Tube-lights ₹ 200 each IGST was paid 12%
Question 2 Construct a right triangle whose hypotenuse is 6 cm long and one of the legs is 4 cm long.
At what angle must a transversal cut two parallel lines, such that all the angles thus formed in the system are equal?
Which of the following statement is true about the integer zero?
Pentacontagon is the name given to a polygon having 50 sides. What will be the measure of one side of a regular pentacontagon if its perimeter is 1250 cm?
The area of a room is 214 m2. If its breadth is 423 m, what is its length?

Question 13If ¯x represents the mean of n observations x1,x2,……xn, then value of ∑ni−1(xi−¯x) is:A) -1B) 0C) 1D) n - 1

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment