Question
1. Which of the following statement is a descriptive statistics? A. The average age of the students in Statistics class is 17 years old. B.
1. Which of the following statement is a descriptive statistics?
A. The average age of the students in Statistics class is 17 years old.
B. There is a relationship between smoking cigarettes and getting emphysema.
C. From past figures, it is predicted that 39% of the registered voters in the Philippines will be vote in the election. D. All of these
2. Which of the following statement is an inferential statistics?
A. The average age of the students in Statistics class is 17 years old.
B. There is a relationship between smoking cigarettes and getting emphysema.
C. From past figures, it is shows that 39% of the registered voters in the Philippines will vote in the election.
D. All of these
3. Which of these statements is continuous variable?
A. She got more friends than me.
B. Kevin got only 4 mistakes in the exam.
C. It took 6.28 seconds for Usain Bolt to finish the 100-meter race.
D. A pizza parlor sold 50 to 150 boxes of Hawaiian flavored pizza every day.
4. Consider the research title "Effects of Gaming in the Study Habit of The Grade
11 Engineering Students at Dillard Senior High". Which of the following is an independent variable?
A. Dillard Fidelis Senior High
B. Gaming
C. Engineering Students
D. Study Habit
5. In the research title ""Effects of Gaming in the Study Habit of The Grade 11
Engineering Students at Dillard Fidelis Senior High"., which of the following is the dependent variable?
A. Dillard Fidelis Senior High
B. Gaming
C. Engineering Students
D. Study Habit
6. Which of the statements below is a discrete variable?
A. Tanya is faster than Lulu.
B. Mica weights more than Carla by 1.2 kilograms.
C. Philippine tarsier weights between 2.8 and 5.8 ounces.
D. A pizza parlor sold 50 to 150 boxes of Hawaiian flavored pizza every day.
7. What is the purpose of inferential statistics?
A. To see if the result is accurate.
B. To show properties of a given data.
C. To provide basis characteristic of population.
D. To make interpretation about the population.
8. Which of the following is a continuous variable?
A. Water temperature
B. The quantity of matter in an object
C. The acceleration of a swing at rest
D. All of these
9. Which of the following is an example of a nominal data?
A. Ranks in playing games.
B. Types of internet services availed.
C. Number of emails received in a week.
D. Number of hours you surf the internet.
10. Which of the following statement defines a population?
A. It comprises of a large number of values or data.
B. It is the inclusion of all members of a defined group.
C. It is a piece of information from a fraction of the totality.
D. It is one or more elements taken from the group for a specific purpose.
11. Suppose a random selected family has 4 children. Define X as the number of girls in the family. What is the range space of the following?
A. {0,1}
B. {1,2,3,4}
C. {1,2,3,4,5}
D. {0,1,2,3,4}
12. Which of the following probability distribution is NOT valid?
A.
X | 3 | 6 | 9 | 12 | 15 |
P(X) | 4/9 | 2/9 | 1/9 | 1/9 | 1/9 |
B.
X | 2 | 4 | 6 | 8 | 10 |
P(X) | 0.13 | 0.27 | 0.28 | 0.18 | 0.14 |
C.
X | 0 | 1 | 2 |
P(X) | 0.25 | 0.60 | 0.15 |
D.
X | 1 | 2 | 3 |
P(X) | 0.325 | 0.406 | 0.164 |
13. Which of the following is an example of discrete random variable?
A. The amount of liquid in a bottle of soda.
B. The time between arrivals of costumers in a dine-in restaurant.
C. The number of students taking up online exam.
D. The weight of parcels to be delivered.
14. Which of the following is NOT a characteristic of continuous random variable?
A. Values can be obtained by using measuring tool.
B. There are infinite number of values including decimals.
C. There are unit of measurements on each possible value.
D. Values being taken are countable numbers of distinct values.
15. Draw a card in a standard deck of cards. The random variable Y gives the number on the card or gives a 0 if the card is a face or ace card. What is the range space of the given situation?
A. {0,1}
B. {0,2,3,4,5,6,7,8,9,10}
C. {1,2,3,4,5,6,7,8,9,10}
D. {0,1,2,3,4,5,6,7,8,9,10}
16. Three dice are tossed together, and the random variable X gives the sum of the numbers that will appear. How many possible outcomes can we expect?
A. 36
B. 18
C. 108
D. 216
17. A pair of dice is rolled and the sum of the numbers that appear is noted. What is the probability that the sum is 4?
A. 4/36
B. 3/36
C. 2/12
D. 4/12
18-20. A local police station puts up an emergency hotline. It receives 0 to 4 calls on any given day. The probability distribution for the number of calls is shown below.
X | 0 | 1 | 2 | 3 | 4 |
P(X) | 0.05 | 0.36 | 0.15 | 0.21 | 0.23 |
18. Which of the following is the mean value of expected calls?
A. 2.02
B. 2.21
C. 3.04
D. 4.22
19. Which of the following is the variance of the given situation?
A. 1.6459
B. 1.2829
C. 2.0984
D. 3.0182
20. Which of the following is the standard deviation of the given situation?
A. 1.65
B. 1.28
C. 2.10
D. 3.02
21. The researchers found out the population of Grade 12 Dillard Senior High is 1,045 They took a sample of 289 to participate in their survey. Using systematic sampling, find out the element the researchers should take for the survey.
A. 3rd
B. 4th
C. 5th
D. 6th
22. Which of the following is not a valid reason for performing sampling?
A. It costly to study the whole population.
B. It requires more time to study the whole population.
C. It is sometimes impractical to study the whole population.
D. The data gathered from a sample are more substantial than the data gathered from the entire population.
23. A teacher asks his student, who is good in visual arts, whether he knows someone who has the same skill. What is the sampling technique evident in the given scenario?
A. Cluster Random Sampling
B. Convenience Sampling
C. Simple Random Sampling
D. Snowball Sampling
24. A restaurant owner asks the employees in the offices near the restaurant what food they like the most. Determine the sampling technique used in the given statement.
A. Convenience Sampling
B. Purposive Sampling
C. Quota Sampling
D. Systematic Sampling
25. Twenty students in a class are randomly selected by drawing names from a box. What is the sampling technique evident in the given scenario?
A. Quota Sampling
B. Simple Random Sampling
C. Stratified Random Sampling
D. Systematic Random Sampling
26. In Dillard Senior High, teacher asks all students in a randomly selected five sections out of 15 sections of grade 11 students. What is the sampling technique evident in the given scenario?
A. Cluster Random Sampling
B. Simple Random Sampling
C. Stratified Random Sampling
D. Systematic Random Sampling
27. Which of the following does not describe graphical presentation of data?
A. A visual presentation of data.
B. Detailed information is given in narrative form.
C. Helps learn about the shape or distribution of population.
D. Shows trend and enable readers to compare facts and figures quickly.
28. In Statistics and Probability, the performance task of Grade 11 Fidelis Senior High students was investigating a research paper that is related to their strand/track. They can gather the data from open website or any person that has related research. Which sources of data could this be?
A. Direct Data
B. Indirect Data
C. Primary Data
D. Secondary Data
29. Department of Health (DOH) wanted to conduct a survey in a certain place to get their opinion about COVID-19 vaccines, if the place has 6000 individuals, what is the sample size if the margin of error used is 4%?
A. 306
B. 566
C. 566.04
D. 697
30. Which of the following describes stratified random sampling?
A. The sample is taken through a random selection of group then all members of the chosen group will be part of the sample.
B. The population is divided into homogeneous group then each group of the population is properly represented in the sample by utilizing proportional allocation.
C. All members of the population are assigned with specific numbers which are then written on pieces of paper and place in a box, then picks numbered pieces of paper on box, one at a time.
D. The researcher identifies the possible number of samples which are predefined controlled categories such as age, gender, education, or religion then divided the population into several categories and lastly collects the sample which as the same proportion as the given population.
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