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Class 11 Mathematics Chapter 15 Statistics Quiz 4 (25 MCQs)

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1. A measure of variation in a set of numerical data, it is the distance between the first and third quartiles of the data set.
2. The mean of squares of first five natural numbers is
3. Which term refers to a characteristic or measure that describes a population?
4. It is the selection of objects from a set.
5. What is the mean of Diego's Math test scores:97, 90, 94, 100, 95, 97, 91, 94, 97?
6. A small portion or a subset of the population on which data is collected for conducting statistical analysis is called .....
7. A bag contains 5 black balls, 4 white balls and 3 red balls. If a ball is selected random wise, the probability that it is a black or red ball is
8. It is a small portion or part of a population.It is the subgroup, subset or the representative of a population.
9. If you want to calculate the average entrance marks of OPEN category students from SUK, which of the following approaches is most appropriate?
10. Find the mean of the data set:(13 data)9, 8, 3, 10, 6, 5, 9, 7, 11, 15, 7, 16, 3
11. The number of occurrences of a repeating event
12. Range is the difference between the 2 extreme scores in the distribution
13. This method uses questionnaires which can either be printed or downloaded from an online platform.
14. Given the following matrix A:2 4 6 13 5 6 78 3 9 13 1 1 1What is the result of the operation A + 2*A?
15. The mean of x+2, x+3, x+4 and x-2 is
16. A collection or a set of possible outcomes of a random experiment.
17. Status and Statista means Political State
18. Based on the research conducted by the DOH, "63 % of those found to have diabetes were not aware that they have such disease" . The statement above is an example of .....
19. The heights of a plant over a month have been recorded. Ben wants to present these data using a diagram. Which of the following statistical diagrams is most suitable?
20. A ..... is a tool used in geometric constructions.
21. Lina wants to know the average daily expenditure in a month of her family. Which of mean, median, and mode is more appropriate to use?
22. A kind of data have been collected from first-hand-experience.
23. Definition:Collection of numbers for a specific measurement (question).
24. What is the difference between a statistic and the parameter it represents?
25. Is an art and science that deals with the collection, organization, presentation, analysis and interpretation of quantitative data.
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