| Set | Number of observations | Mean | Standard deviation |
|---|---|---|---|
| 1 | 16 | 26 | 3.5 |
| 2 | 24 | 29 | 3 |
Syllabus Connection
Related PYQs in Elementary Mathematics & Statistics
Two unbiased dice, each marked 1 to 6 on their faces, are rolled simultaneously. What is the probability that the sum of the outcomes on the top faces of both dice is 7 or 10 ?
The scores of 16 students in a test are as follows: 19, 4, 17, 7, 15, 2, 18, 11, 15, 17, 19, 4, 3, 2, 6, 9. What is the difference between their arithmetic mean and the median ?
How many three-digit numbers are there that have the middle digit as the sum of the first digit and the third digit ?
Three distinct positive integers a, b and c are such thatb-a=c-—bandat+b+t+c= l2. ! What is the maximum number of such possible sets (a, b, c) ?
Consider the following Assertion and Reason: , Assertion: 15% discount on the marked price of an item is more than the discount of 10% on the marked price of the same item and a subsequent (successive) discount of 5%. Reason: The subsequent (successive) discount is on the discounted amount. Which one of the following is correct with regard to the above Assertion and Reason ?