Name: _________________ _______________________________ __________________ ____ Year and and Section: Section: ___________________ ____________________________ _________ Test I. Multiple choice. Select the best answer. Encircle the letter of the correct answer. 1. It is the most common numbers in the set. a. Mean b. Median c. Mode d. Range 2. It is commonly known as __________. a. Mean b. Median c. Mode d. Range 3. It is the value that occurs most often. a. Mean b. Median c. Mode d. Range 4. The value between the highest and lowest is called ______________. a. Mean b. Median c. Mode d. Range 5. It is the middle value when the data are arranged in numerical order. a. Mean b. Median c. Mode d. Range 6. Find the mean of the following numbers: 17, 18, 19, 21, 22, 46 a. 16 b. 19 c. 23 d. 50 7. Find the mean of the following numbers: 8, 8, 9, 15, 22 a. 10 b. 12 c. 15 d. 16 8. Find the median of the following numbers: 17, 18, 18, 19, 21, 22, 46 a. 15 b. 19 c. 21 d. 22 9. Find the median of the following numbers: 8, 8, 9, 15, 20 a. 9 b. 15 c. 20 d. 22 10. Find the median of the following f ollowing numbers: numbers: 80, 88, 92, 94, 95 a. 92 b. 93 c. 94 d. 95 11. Find the mode of the following set of data: 8, 8, 9, 15, 20 a. 8 b. 9 c. 15 d. 20 12. Find the mode of the following set of data:30, 30, 32, 33, 34, 34, 35, 35, 35, 36, 38, 40 a. 30 b. 34 c. 35 d. 36 13. Find the range of the following numbers:30, 32, 33, 34, 34, 35, 36, 38 a. 6 b. 7 c. 8 d. 9 14. It is the summation of the items divided by the number of items in the set of data a. Mean b. Median c. Mode d. Range 15. Find the correct set of data whose mean is 9 a. 6, 8, 9, 10, 12 b. 7, 9, 9, 10, 11 c. 5, 7, 8, 9, 9, 10, 13 d. 9, 9, 9, 10, 10 16. Find the correct set of data whose median is 9 a. 6, 8, 9, 10, 12 b. 6, 9, 10, 10, 12 c. 5, 7, 8, 8, 9, 10, 13 d. d. 9, 9, 9, 10, 10 17. Find the correct set of data whose mode is 9 a., 78, 80, 82, 82, 85, 85, 86, 86, 86, 90 c. 4. 4. 5, 5, 6, 6, 7, 8, 9, 9, 9, 9, 10 b. 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 9, 10, 10 d. 7, 7, 8,. 8,. 8, 9, 9, 10, 10, 10 18. Find the correct set of data whose range is 5 a. 6, 8, 9, 10, 12 b. 6, 9, 9, 10, 11 c. 5, 7, 8, 9, 9, 10, 13 d. 9, 9, 9, 10, 10 19. Find the correct set of data whose range is 15 a. 24, 24, 28, 30, 40 b. 6, 9, 15, 18, 21 c. 15, 17, 18, 19, 19, 20, 29 d. 9, 9, 9, 10, 10, 15 20. It is found by getting the sum of the set of data and then dividing it by the number of data a. Mean b. Median c. Mode d. Range Test II. Refer to the data below for problems pr oblems 21 – 25. 25. Show your solution. Score in math test
No. of students who scores within the range
45 – 49 40 – 44 35 – 39 30 – 34 25 – 29 20 – 24
1 3 12 20 11 3
21. What is the value of ∑f? (2 points) a. 4 b. 5 c. 45 22. What is the value of i? (2 points) a. 4 b. 5 c. 45 23. What is value of range? (2 points) a.25 b. 29 c. 30 24. Find the mean (4 points).
d. 50 d. 50 d. 20
25. Find the variance (10 points)
Prepared by:
SHOW YOUR SOLUTION FOR NUMBER 25 ON THE LINE BELOW ________________________________________________________________________________________
