PRE – TEST: A. Read and understand each item carefully. Answer them by choosing the correct letter from the given choices. 1. _____________________ are the data whose values describe some characteristics, or category such as favorite colors or favorite pets. a) Categorical data c) Numerical data b) Table chart d) Discrete data 2. _____________________ are the data that expressed in numbers. a) Categorical data c) Numerical data b) Table chart d) Discrete data What type of variable in collecting data that is stated on the following? 3. Maria listed the favorite books of her friends. a.) Categorical data c.) Numerical or Discreet data b.) Table chart d.) Frequencies 4. Luis make a survey about the number of drinks sold during recess. a.) Categorical data c.) Numerical or Discreet data b.) Tabular chart d.) frequencies 5. Andrew and Peter surveyed 20 pupils about their favorite snacks. a.) Categorical data c.) Numerical or discreet data b.) Tabular chart d.) Frequencies
DIRECTION: Choose the letter of the correct answer. Write your answers on a separate sheet of paper. 1. A statistic that represents the center point or typical value of a data set. a. mean b. median c. measures of central tendency 2. The most commonly used measures of central tendency. a. median b. mode c. mean 3. The middle value that splits the data in half. a. mean b. mean c. median 4. The value that occurs the most frequently in the data set. a. mean b. median c. mode 5. of students. What is the median of the score 33,36,25,19,20 a. 19 b. 20 c. 25 6. From the set of data consisting of 20,30,40.50 and 60 what is the mean in the given score? a. 45 b. 40 c. 50 7. Which of the following is NOT a measure of central tendency? a. mean b. range c. median 8. What measure of central tendency can be used in finding the average number of points that a basketball player had done? a. median b. mean c. mode 9. What measures of central tendency is generally used in determining the winners in the barangay election? a. Mean have only one value b. mode can have more value c. the mean can only one value 10. What is the median in the following score? 24,25,27,30,36 a. 24 b. 27 c. 30 11. Helen got the following Final Grades in her 8 subjects: 90,92,88,90,92,94,90,95 a. 91.37 b. 90.88 c. 91.60 12. What is the interval 50-55? a. 6 b. 5 c. 7 13. Given the score 80,90 what is the midpoint? a. 85 b. 86 c. 87 14. For the set of data consisting 8,8,9,10,10, which is true? a. Mean = median b. mean= mode c. median= mode 15. Nine people gave contributions for a major prize in pesos (Php). The amounts are 100,200,150,200,300,250,200,100,250 and 150. What is the mode of the contributions? a. 200 b. 100 c. 150 S