Untitled Quiz

1.Which of the following is another term for the mean?

• a) Median

• b) Mode

• c) Standard deviation

• d) Arithmetic mean

2. A group of friends recorded the number of text messages they sent each day last week: 12, 18, 5, 22, 9, 15, and 10. What is the median number of text messages sent?

• a) 10

• b) 15

• c) 12

• d) 12.5

3. 3. Andrea's scores in 10 quizzes are 8, 7, 6, 10, 9, 5, 9, 6, 10, and 7. After arranging these scores in increasing order, the two middle values are:

• a) 6 and 7

• b) 7 and 8

• c) 7 and 7

• d) 8 and 9

4.The terms mean, median, and mode are also referred to as:

• a) Measures of central tendency

• b) Measures of dispersion

• c) Measures of variability

• d) Measures of frequency

5.In the ordered data set 3, 4, 5, 6, 7, 8, 8, 9, 10, the median is the:

• a) Middle value

• b) Sum of all values divided by the number of values

• c) Most frequently occurring value

• d) Difference between the highest and lowest values

6.In the ordered data set 3, 4, 5, 6, 7, 8, 8, 9, 10, the mode is the:

• a) Middle value

• b) Most frequently occurring value

• c) Sum of all values divided by the number of values

• d) Difference between the highest and lowest values

7.what is the characteristic of the value that is being looked for? This typical value is called the:

• a) Mean

• b) Median

• c) Mode

• d) Range

8.According to the text, the mode is the measure or value which:

• a) Is in the middle of the data set.

• b) Is the average of all the values.

• c) Is the difference between the highest

• d) Occurs most frequently in a set of data.

9.Find the mode in the given set of scores: (10, 12, 9, 10, 13, 11, 10)

• a) 9

• b) 11

• c) 10

• d) 12

10.To find the median of a set of data, the first step is to:

• a) Calculate the average of all the numbers.

• b) Identify the most frequent number.

• c) Arrange the data in numerical order.

• d) Subtract the smallest number from the largest number