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Class 11 Mathematics Chapter 15 Statistics Quiz 4 (60 MCQs)

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1. What is a quantitative variable that can take on a certain number of values?
2. Following are the partition values except
3. Profit and loss account of the company obtained from company report is ..... data.
4. What drives the process of natural selection?
5. The largest mathematical value in the data set
6. The observation 20 will be in the class .....
7. Which of the following problems needs statistics to be solved?
8. Which type of sequence has a constant ratio between consecutive terms?
9. The curve drawn by taking upper limits along x-axis and cumulative frequency along y-axis is:
10. Referring to differences in data sets that are larger than chance variation would predict.
11. If each interior angle of a rectangle is 90$^\circ$, is it true that the measurement of each interior angle of a 20-sided polygon is 162$^\circ$?
12. An area use to verify the effectiveness of the vaccine.
13. The sum of all numbers in a data set is 450. If the mean of the data set is 15, how many observations were there?
14. Which diagram is commonly used to represent all possible outcomes of a two-step experiment?
15. From the following set of numbers, which number occurs most? (3, 4, 2, 4, 4, 2, 5, 9, 0, 2, 2, 5, 4, 9, 3, 2, 4, 4, 7, 9, 0, 4, 9)
16. What is the formula for calculating the permutation of a set of objects?
17. A poll was conducted in which 1000 adults were asked if they prefer bottled water or tap water, and 57% of them said they prefer bottled water. In this scenario, the 57% is a .....
18. What does a box plot display?
19. What is the range of the following data set?{2, 9, 5, 4, 7, 8}
20. What is one of the core competencies emphasized in the lesson?
21. What is the median of the numbers a + 1, a + 3, a-2, a + 5, and a-4?
22. Find the mode of this set of numbers; 2, 2, 8, 5, 9, 2, 12, 5, 11, 10
23. Given the monthly electricity bill data for a family, which chart should be used to represent the data?
24. Definition:The study of data:how to collect, summarize and present it.
25. The average annual salary for 35 of a company's 1200 accountants is $ 68, 000.
26. An experiment is .....
27. A quantity that is calculated from sample data, such as the mean, median, or MAD (mean absolute deviation).
28. The median is the most frequent number
29. The levels of nicotine in six cigarettes were 13.0, 11.8, 15.4, 17.4, 31.2, 24.3 mg. The mean of these values is
30. A way of gathering data by watching members of the sample as they move in their natural setting.
31. A coin is tossed twice. The probability of getting both heads is
32. Effects of New Normal to school institutions.
33. Data were collected on the number of minutes spent cooking a meal. The data are as follows:8, 10, 15, 25, 30, 40, 12, 20, and 19What is the range of this data?
34. Who is the first man to use the word Statistics?
35. Blank-consists of numerical measurements or counts.
36. Tell if the statement is Descriptive or Inferential:The average test score of students in the class is 75%.
37. The mode of a frequency distribution can be determined graphically from
38. If the probability of event A is 0.3 and the probability of event B is 0.5, what is the probability that either A or B occurs (assuming they are mutually exclusive)?
39. A random sample suggests that
40. What is the purpose of z-scores?
41. A graphical representation of discrete or continuous data. The area of a bar in a histogram is equal to the frequency.
42. Define the problemgather datasummarize datacommunicate conclusions
43. The average of the values in the sample
44. Select the sampling method used for the following situation:A person picks names out of a hat.
45. The tally method involves counting of objects in group of .....
46. What graph uses equal widths of rectangles to present data?
47. Type of Quantitative data that is finite or countable.
48. An infinite population is one that .....
49. A way of organizing numbers and summarizing them so that patterns can be determined.
50. A qualitative variable that categorizes (or describes, or names) an element of a population
51. Measure of Central Tendency is a value that can represent a set of data or group of values
52. A survey includes a question regarding marital status that has the following responses:single, married, divorced, separated, or widowed. What is the scale of measurement for this question?
53. What is the main difference between simple interest and compound interest?
54. Are the score points which divide a distribution into four equal parts
55. If you are asked to count the number of blank cells in the data, which Excel function would you most likely use?
56. What is the term for a collection of data from every element in a population?
57. What is the median of this set of numbers; 2, 2, 8, 5, 9, 2, 12, 5, 11, 10
58. Which of the following is an example of statistical question?
59. It is the most common number in a data set.
60. How to obtain the discrete data?
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