## Year 1 Lesson 16 In-class Exercise

**
Name ________________________**

1). **Find the mean (average) of this data set: (use your calculator)**

2, 3, 4, 5, 6 mean = ________

2). **Find the mean (average) of this data set: (use your calculator)**

Number of books each student has read this month:

4, 8, 1, 5, 6, 4, 7 mean = ________

3). **Find the mean (average) of this data set: (use your calculator)**

Ages of kids on a soccer team:

10, 11, 10, 10, 10, 12, 10, 10 mean = ________

4). **Find the mode (most common number) of this data set:**

1, 5, 6, 2, 6, 1, 5, 1 mode = ________

5). **Find the mode (most common number) of this data set:**

Number of days in years 1996 - 2004:

366, 365, 365, 365, 366, 365, 365, 365, 366 mode = ________

6). **Find the mode (most common number) of this data set:**

Temperatures during a week in January:

+6, 0, - 2, 0, +4, 0 mode = ________

7). **Find the median (middle) number in this data set: (cross out the highest, lowest, highest...until only one is left)**

6, 2, 1, 8, 5, 2, 3 median = _______