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Class 11 Mathematics Chapter 15 Statistics Quiz 10 (60 MCQs)

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1. What is the criterion for a student to be marked as 'Qualified'?
2. A sample in which every person, object, or event has an equal chance of being selected.
3. What is the sum of the first five terms of the arithmetic sequence:2, 5, 8, ..... ?
4. Statistics ..... , analyzes, summarizes and interprets data.
5. Which of the following terms is use to describe the difference between the largest and the smallest number in a set of numbers
6. A characteristic in a population is called a ..... , whereas a characteristic in a sample is called a .....
7. Find the median 112, 140, 77, 126, 91, 77, 133
8. In the class intervals 10-20, 20-30, 20 is included in which interval?
9. Steven observed students enter a classroom for class, and recorded whether the students will sit in front or not. Which type of data collection was used in the situation?
10. What is the main purpose of a scatter plot in the context of student data?
11. ..... deals with the collection, presentation and interpretation of data.
12. It is a collection of information that can be divided into groups.
13. What does the coefficient of determination ( $R^2$
14. Most of the Statistics is useful for the analysis of Quantitative data
15. What is type of statisctics of T-test?
16. ..... is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.
17. The smaller the sample size you have the better.
18. Economic status of the Philippines due to pandemic situation
19. Which of the following situations illustrates combination?
20. If the coefficient of correlation between 2 variables is 0, then the two lines of regression are .....
21. From the following set of numbers, which number occurs the least? (6, 7, 6, 8, 9, 6, 7, 8, 5, 9, 6, 8, 8, 9, 5, 96, 8, 9, 6, 6, 9, 5)
22. The following are the measure of variability, except:
23. What is the mean of the data set 2, 4, 7, 7, 10?
24. A coin is tossed thrice. Let X be the random variable representing the number of heads that occur. What would be the values of the random variable X?
25. Which formula is mentioned for calculating the area of a triangle?
26. What is the main aim of the first part of the course?
27. Which question would provide univariate data?
28. The average number of students in a class at White Oak University is 22.6
29. A value that is much higher or much lower than the other values in a set of data.
30. In multiple linear regression, if Sepal ..... length is the dependent variable, which of the following could be independent variables?
31. The mean weight of 60 students in a class is 40 kg. The mean weight of boys is 50 kg while that of the girls is 30 kg, then the number of boys and girls are
32. Branch of mathematics concerned with the collection and interpretation of numerical data.
33. What is the second step in George Polya's Problem-Solving Framework?
34. Which of the following is NOT a solution of the rational inequality (x-5)/(x+3)-2 $\geq$ 0?
35. Statistic help us to .....
36. The median of a list of data points is the value appearing at the center of a sorted version of the list.If the list contains an even number of values, the mean of the two central values is the median.
37. What is the intersection of two events $A$ $B$
38. A box contains 15 chips numbered 1 to 15. if a chip is drawn randomly from the bowl, what is the probability that it is a 7 or 15?
39. The officers of a math club will pay equal contributions to buy a cake worth Php480 for their moderator. If there were two more officers, their contribution will be reduced by Php12 each. How many officers are there?
40. It is a discipline concerning the collection, organization, analysis, interpretation and presentation of data.
41. . Joshua wants to visit 5 resorts. In how many ways can he make the trip to the resorts?
42. If the mean of the following distribution is 2.6, then the value of k is
43. Is the following a parameter or a statistic?In a survey of a sample of computer users, 8% said their computer had a malfunction that needed to be repaired by a service technician.
44. Select the sampling method used for the following situation:A person chooses every 5th person on a list of names starting with #1.
45. Solve for the mode if:LCB=23.5d1=13d2=10i=5
46. 5) Mr. Davis tested the ten tallest teachers at his school. Is this a random sample?
47. Collections of data; evidence; facts
48. STATISTICAL OR NON-STATISTICAL:what is your favorite color?
49. Which of the following best describes a Type I error?
50. Grouped Data is:
51. Your test scores are 87, 86, 89, and 88. You have one more test in the marking period. *You want your average to be a 90. What is the lowest score you must get on your last test?
52. What is the mode of the following set of numbers, 15, 15, 60, 94, 47, 44, 15
53. What does the variance-covariance matrix of variables Petal.width, Petal.length, Sepal.width, and Sepal.length represent?
54. What is type of statistics of ANOVA-Analysis of Variance?
55. Identify the population and the sample:The average annual salary for 35 of a company's 1200 accountants is $ 68, 000.
56. From the following set of alphabets, which letter occurs most? (b, d, h, b, h, I, k, b, d, d, k, I, h, h, b, h, b, d, h, k, h)
57. The n$^{th}$ root of the product of the values x$^{1}$, x$^{2}$, x$^{3}$, ..... , x$^{n}$ is called
58. What type of data do statisticians usually use?
59. Twenty students join a contest in the school. The contest offers first second, and third prize. How many different combinations of 1$^{st}$, 2$^{nd}$, and 3$^{rd}$ place winners can there be?
60. Statistics has ..... Branches
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