Quiz 3

1. Raymund is hosting a kiddie party in his house. Seven kids aged 11 and 8 babies aged 1 – 3 attended the party. Which measure of central tendency is appropriate to use to find the average age?

• Mean

• Median

• Mode

• Range

2. For the set of data consisting of 12, 12, 13, 14, 14, which statement is true?

• mean = mode

• mean = median

• median = mode

• mean < median

3. What is the median of the sample 5, 5, 11, 9, 8, 5, 8?

• 5

• 6

• 8

• 9

4. Ermie got the following scores in the fourth quarter quizzes: 12, 10, 16, x, 13, and 9. What must be her score on the 4th quiz to get an average of 12?

• 12

• 13

• 15

• 16

5. Refer to the following data set.

A = {43, 11, 94, 46, 43, 74} B = {4, 2, 9, 7, 5, 9, 3}

Find the mean value of set A.

• 44.50

• 46

• 51.83

• 74

6. The total frequencies in a frequency distribution table is called _______________.

7. The ______________ interval is the corresponding class where the median value falls.

8. ______________ is the middle value in a set of quantities.

9. The _______________ is the value that occurs the most often in a data set.

10. The _____________ of a given class is obtained by averaging the upper limit of the previous class and the lower limit of the given class