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Statistics Quiz 12 (30 MCQs)

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1. Find the interquartile range using the following.Minimum:1Q1:3Median:5Q3:7Maximum:9
2. Types of Statistics are:
3. Distrust of Statistics is due to:
4. The correct definition for a sample is:
5. The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days. About what percent of the products last between 12 and 15 days?
6. What is the median of the following data set:1, 3, 4, 5, 5, 6, 7
7. ..... statistics consists of the collection, organization, summarization and presentation of data.
8. "Our brand has 1/3 fewer calories" , does not compare to anything, let alone another brand is an example of which misuse?
9. It is a numerical description of a population characteristic.
10. What measure represents the value in the center?
11. A sample refers to ..... of a population.
12. What is a statistical question
13. When one examines the entire population instead of a subgroup of the population, this is called a .....
14. What graph misleading is used in this statement? "using green for losses, and red for profits"
15. What is the branch of statistics that involves drawing conclusions about a population based on information contained in a sample taken from that population?
16. What shape is a normal distribution curve?
17. Income of a family is an example of
18. The most common graphical presentation of quantitative data is a
19. Find the MEDIAN 77, 83, 83, 85, 87, 90, 90, 93, 94, 99, 99
20. Facts, figures, and other evidence gathered through observation.
21. Jamal said that 41 was the number in a data set that was listed the most. Which term would define Jamal's number?
22. A mathematical expression or formula usedin computing the estimate
23. In a standard normal curve, what is the z value that corresponds to the proportion 0.3413?
24. On a plate of wings, there are mild and hot wings. In a sample of 10 chicken wings, 4 are hot wings. If there are 50 wings on the platter, estimate how many are hot.
25. Area outside the boundaries of the confidence interval estimate; area distributed in both tails of the standard normal distribution curve
26. A Statistics student did a research on the time spent by Grade 12 students playing video game. He selected the subjects by using the Table of Random Numbers. What technique is used?
27. Which of the following is a way to collect information from a group?
28. The whole from which the sample was taken.
29. Suppose the P-value for a hypothesis test is 0.0304. Using a = 0.05, what is the appropriate conclusion?
30. The class mark of the class 5.5-20.5 is
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