A measure of is a single value that attempts to describe set of data by identifying the central position within that set of A. Central Tendency. Roger bowled 7 games last weekend.
His scores are: , ,, , , , Find the median of the set of numbers: , , , 29, , and Find the median of the set of numbers: 21, 3, 7, 17, 19, 31, 46,20 and The following numbers represent the ages of people on a bus: 3,6, 27, 13, 6, 8, 12, 20, 5, Calculate their mean of their ages.
If the mode is 14 and value of mean is 5 then the value of median is A. Your email address will not be published. Index number is a special type of ———- A.
Average B. Average 3. Normal period. None of the above Answer: A. Circular test B. Factor reversal test D. All of the above Answer: D. The probability that he will pass in at least one of the subjects is. A box contains 2 tennis , 3 cricket and 4 squash balls. Three balls are drawn in succession with replacement. What is the probability that all are cricket balls:. Three of the 6 vertices if a regular hexagon are chosen at random. The probability that the triangle with these vertices is equilateral is.
In how many ways can 10 identical presents be distributed among 6 children so that each child gets at least one present? There are 6 pups and 4 cats.
In how many can they be seated in a row so that no cats sit together:. There are V lines parallel to the X axis and W lines parallel to the Y axis. How many rectangles can be formed with the intersection of these lines? From 4 men and 4 women a committee of 5 is to be formed.
Find the number of ways of doing so if the committee consists of a president, a vice president and three secretaries?
A die is thrown at random. What is the expectation of the number on it:. What is the expected number of heads appearing when a fair coin is tossed three times? A contractor spends Rs. From a bag containing 4 white and 6 red balls, three balls are drawn at random and if each white ball drawn carries a reward of Rs4 and each red ball Rs6, find the expected reward of the draw. A lot of 12 television sets include 2 with white chords. If 3 of the sets are chosen at random for shipment to the hotel, how many sets with white chords can the shipper expect to send to the hotel.
Suppose an insurance company offers a 45 year old man a Rs1, Assuming that the number of deaths per is 5 for persons in this age this group. The expected gain for the insurance company on a policy of this type is. In a business venture a man can make a profit of Rs 2, with probability of 0. His expected profit is. In a random throw of n dice, the expectation of the sum of points on them is.
A number is chosen at random from the set The expected value of their sum is. Three coins whose faces are marked 1 and 2 are tossed. Their expectations of the total values of numbers on their faces is.
A and B throw with one die for a prize of Rs which is to be won by the player who first throws 6. If A has the first throw their respective expectation are. When 2 unbiased coins are tossed once, the variance of the number of head is.
Hence the mean of the number of successes is. Statistics Books. I like the valuable information you provide on your articles. Best of luck for the next! Save my name, email, and website in this browser for the next time I comment. We have detected that you are using extensions to block ads. Please support us by disabling these ads blocker.
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