Lesson Example Discussion Quiz: Class Homework |
Example |
Title: Measures of central tendency-Mean |
Grade: 9-a Lesson: S1-L1 |
Explanation: The best way to understand statistics is by looking at some examples. Take turns and read each example for easy understanding. |
Examples:
Find out the mean for the given observations 4,5,9,12,15
Step 1a
|
|
Sum of the observations |
|
Explanation: Let us add all the observations i.e, sum of the observations \$4 + 5 + 9 + 12 + 15 = 45\$ |
|
Step 1b
|
|
Total number of observations |
|
Explanation: Total number of observations i.e, 5 observations |
|
Step 1c
|
|
\$ mean \$ = \$" The sum of the observations "/" total number of observations" \$ |
|
Explanation:
sum of the observations = 45 Total number of observations = 5 Then \$ mean \$ = \$45/5 = 9\$ |
|
Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 13-March-2023 06:00 AM EST