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Class 11 Mathematics Chapter 15 Statistics Quiz 35 (25 MCQs)

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1. In a group of 200 students, 45 are swimmers, 36 are runners, and 62 are cyclists. There are also 18 who swim and run, 22 who run and cycle, 13 who swim and cycle, and 6 who do all three. How many students do at most one of the three given activities?
2. What is the sum of the first five terms of the geometric sequence 2, 4, 8, 16, ..... ?
3. Which probability distribution is associated with the parameters shape=2 and scale=3?
4. Which measure of central tendency is found by adding all the values in the set, then dividing the sum by the number of values?
5. Statistical analysis of two or more sets of numerical data to reduce the possibility of error in measurement and to determine if the differences between the data sets are greater than chance variation would be perfect.
6. If f(x) = x / (-x + 4) and g(x) = 2x + 2, then (f $_{0}$ g)(1) =
7. Mable is a Mathematics teacher of a secondary school and she teaches 6 classes this year. Her weight is 48 kg. Which of the following is correct?
8. Find the median of the set of numbers:1, 2, 3, 4, 5, 6, 7, 8, 9 and 10
9. What do we use to estimate unknown parameters?
10. What is the recursive formula for an arithmetic sequence with first term $a_1$ $d$
11. It is used to describe the basic features of the data in a study.
12. What level of measurement involves data that may be arranged in some order but differences between data values either cannot be determined or are meaningless?
13. Which measure indicates the spread of data around the mean?
14. A method of visually displaying a distribution of data values where each data value is shown as a dot or mark above a number line.
15. It refers to information such as facts and numbers used to analyze something or to make decisions.
16. ..... method in statistics involves making marks on paper or even on woods to count items.
17. Determine whether the numerical value is a parameter or statistic:A survey of 2514 college board members found that 38% think that higher education costs what it should relative to its value.
18. Which application for data science involves creating AI bots and analyzing search history?
19. Which of the following is a summary statistic that can be computed for all variables in a dataset?
20. Which word best completes the sentence:'The ..... of the data was unexpected.'
21. Which of the following is not a characteristic of a good survey instrument?
22. In the set of 14, 17, 10, 22, 19, 24, 8, 12, and 19, the median score is .....
23. The number of children in a family is a discrete variable.
24. Which type of statistics involves summarizing and describing data?
25. The scores of a random sample of 100 high school students on a standardized mathematics test in school A gave a mean of 78 and a standard deviation of 20. What is the best point estimate of the true average score in this standardized mathematics test?
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