Statistics Quiz 14 (30 MCQs)

Quiz Instructions

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1. , 9-What is the range?
2. , 7-What is the median?
3. Deals with organizing and summarizing observations so that they are easier to comprehend
4. Which scenario would produce the least biased results?
5. Taos, Acoma, Zuni, and Cochiti are the names of four Native American pueblos from the population of pueblos in Arizona and New Mexico. Identify the data level.
6. Descriptive statistics is
7. Which of the following is true regarding secondary source of data? ? ?
8. An investigation of the opinions or experience of a group of people, based on a series of questions.
9. What is the average weekly allowance of HUMSS-MARX student for the first semester of SY 2018-2019? What is the population of the study?
10. The sum of the relative frequencies for all classes will always equal
11. The following grades were obtained from the first exam of a english class:70 85 91 67 98 80. What is the standard deviation of the data?
12. A radio station in Raleigh, NC wants to know the most popular song of the week. The DJ surveys random listeners who call in throughout the week. What is the population of the DJ's survey?
13. In plural sense, which is not a characterstic of statistics?
14. A teacher asks all her students five questions about their study habits.
15. A variable that quantifies an element of a population.
16. Calculate the interquartile range of the following data17, 18, 18, 19, 20, 21, 21, 23, 25
17. Facts, or a set of information or observation under study
18. A school principal wants to see which subject the 695 students in his school liked best. Which choice BEST represents a sample?
19. Which is the root of all economic problems?
20. The school librarian wants to determine how many students use the library on a regular basis. What type of sampling method would she use if she chose to select every 3rd student who enters the library on Tuesday.
21. For a certain distribution, mode and median were found to be 100 and 1250 respectively. Find mean for this distribution using an empirical relation
22. The school librarian wants to determine how many students use the library on a regular basis. What type of sampling method would she use if she chose to use a random number generator to randomly select 50 students from the school's attendance roster.
23. Which of these is a statistical question?
24. Which of the following is an example of qualitative data
25. 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 .....
26. ..... is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.
27. The best defense against bias in which every individual is given a fair chance of being selected
28. A Type I error is when:
29. In statistics, a sample:
30. The relative frequency of a class is computed by