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Class 11 Mathematics Chapter 15 Statistics Quiz 26 (25 MCQs)

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1. What type of data do statisticians usually use?
2. 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?
3. Statistics has ..... Branches
4. Identify the kind of variable in this situation:price of gasoline per gallon throughout American history
5. Which of the following is an example of a parameter?
6. Also known as numerical data.
7. Students in Ms. Multifry's class were surveyed about the number of pets they have. Their responses were recorded below:0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 8. What is the median, maximum, minimum?Is there an outlier? If so, what is the outlier?
8. If median = (mode + 2 mean) K, then K is equal to
9. Is the following a parameter or a statistic?In a survey of a sample of high school students, 43% said that their mother has taught them the most about managing money.
10. Determine whether the numerical value is a parameter or statistic:Sixty-two of the 97 passengers aboard the Hindenburg airship survived its explosion.
11. Which tool is commonly used by data scientists for machine learning and AI applications?
12. It is a plane curve consisting of all points that have the same distance from a fixed point called center. Which word is being described in the statement?
13. Test the difference between group means after any other variance in the outcome variable is accounted for
14. Determine whether the data set is a population of a sample:The amount of energy collected from every wind turbine on a wind farm.
15. A scientific body of knowledge which deals with the collection, organization, presentation, analysis and interpretation of data.
16. Any characteristic of an individual that can take different values for different individuals.
17. If you want to test whether the average height of two groups is the same, which statistical test should you use?
18. Find the mode of 34, 48, 87, 56, 87, 51, 29
19. Classify which of the following is a Qualitative data.
20. "I trust him more than 100 percent" is an example of used statistics.
21. Identify whether the experiment involves a discrete or a continuous random variable.Collecting data about the mileage per liter of a certain brand and model of a car
22. An extreme value in a data set that is either much larger or much smaller than all the other values.
23. In observation method, the person/object to be observed is called:
24. Given the set 2, 4, 1, 3, 5, 1, 6. What is the median?
25. What is the main goal of the lesson regarding data?
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