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Statistics Quiz 15 (25 MCQs)

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1. Find the IQR (interquartile range) using the following information.Minimum:77Q1:79.5Median:86.5Q3:90.5Maximum:99
2. Refers to the collection of facts where the researcher gets information.
3. Farmer Joe's apple tree farm is set up in 100 rows. He counts the number of apples produced on every 10th row to estimate the number apples produced on the whole farm. This is _____ sampling.
4. You draw two marbles at random from a jar that has 20 red marbles and 30 black marbles without replacement. What is the probability that both marbles are red?
5. A mayor wanted to see if the people in his town thought he was doing a food job.Which choice best represents a sample?
6. To determine the most popular type of cake amount all the students at your school, ask your entire math class.
7. The entire group of individuals about whom we hope to gain information
8. The city of Smyrna wants to know which brand of paint will last longer. They paint 2 streets with brand A and two streets with brand B and checked which lasted longer.
9. What is the median 133, 140, 98, 98, 140, 119, 119.
10. A parameter is _____
11. _____ is a part of a group being surveyed.
12. A collection, or set, of individuals or objects or events whose properties are to be analyzed.
13. , 9-What is the range?
14. , 7-What is the median?
15. Deals with organizing and summarizing observations so that they are easier to comprehend
16. Which scenario would produce the least biased results?
17. 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.
18. Descriptive statistics is
19. Which of the following is true regarding secondary source of data? ? ?
20. An investigation of the opinions or experience of a group of people, based on a series of questions.
21. 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?
22. The sum of the relative frequencies for all classes will always equal
23. 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?
24. 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?
25. In plural sense, which is not a characterstic of statistics?
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