QUESTION PAPER 12 August 2011 DURATION 40 MIN | EXAM CODE 3203331 INTEGERS,POWER AND ROOTS,FRACTION,DECIMALS AND LINEAR EQUATIONS NAME CLASS 8 ROLL NUMBER SCHOOL The Riverside School TEACHER 1. There are 24 questions in the paper. All are compulsory. 2. Tick or circle the option which is your answer.
Grading Summary These are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below. | Date Taken: | 8/26/2014 | Time Spent: | 03 min , 32 secs | Points Received: | 100 / 100 (100%) | | Question Type: | # Of Questions: | # Correct: | Multiple Choice | 10 | 10 | | | Grade Details - All Questions | Question 1. | Question : | An element crystallizes in a face-centered cubic lattice. If the length of an edge of the unit cell is 0.408 nm, and the density of the element is 19.3 g/cm3, what is the identity of the element?
ANSWER: Systematic sampling is a procedure in which an initial starting point is selected by a random process and then every nth number on the list is selected. In the case of the problem at hand, the 10 passengers who will be used as respondents will be identified using the following steps: 1. Make use of the prepared listing of the passengers who were given a number when they checked in. In the example it would be 001 to 250. 2.
NATIONAL SENIOR CERTIFICATE GRADE 12 MATHEMATICS P1 FEBRUARY/MARCH 2012 MARKS: 150 TIME: 3 hours This question paper consists of 9 pages, 1 diagram sheet and 1 information sheet. Copyright reserved Please turn over Mathematics/P1 2 NSC DBE/Feb.– Mar. 2012 INSTRUCTIONS AND INFORMATION Read the following instructions carefully before answering the questions. 1. This question paper consists of 12 questions.
MATHS X TERM-II MODEL TEST PAPER-1 (UNSOLVED) [For Summative Assessment-2 (Term - II)] [Based on the latest CBSE Sample Question Paper] Time : 3 hours General Instructions : Same as in CBSE Sample Question Paper. SECTION A M.M. : 80 (Question numbers 1 to 10 carry 1 mark each. For each of the questions 1 to 10, four alternative choices have been provided of which only one is correct. You have to select the correct choice.)
To check the quality of a day’s production, the company decides to randomly sample 40 phones from a day’s production to test for defects. Define the population of interest to the manufacturer. 1. All the phones produced during the day in question 2. The 40 phones sampled and tested 3.
7 b) Twice the difference between two numbers is 8. The sum of the greater number and twice the smaller number is 13. Find the numbers. Ques.12: In the following matrices, the matrices have the following values: A= ; B= ; C= D= ; E= ; F= ; G= ; H= ; J= ; K= 8 Calculate the resultant value for each question where possible. a) A + B = b) G – J = c) DJ= d) 2E – 3K= 9 e) HK = f) = g) FO = 10 Ques.2: Find the value of letters: a) b) c) 11 d) Ques.13: The following
There are no differences. C. We divide the sum of the observations by n - 1 instead of n D. The observations are ranked and select the middle value for the population mean. Ans: A 3) In a set of observations, which measure of central tendency reports the value that occurs most often? A. Mean B. Geometric mean C. Median D. Mode Ans: D 4) Which of the following is not a requirement of a binomial distribution?
3. For a skewed distribution, which of the following is a better indicator of the central tendency? A Mean B Variance C Standard deviation D Median 4. The cycle time for processing customer checks were analyzed for the last 200 cases. The mean cycle time was 10 minutes and standard deviation 2.5 minutes.