Here is a statistics question
I just need to know how to find the class boundaries and am done with the other questions that's follows
Class group
1.7-2.9
2.0-2.2
2.2-2.5
2.6-2.8
2.9-3.1
Can somebody just explain how to find the class boundaries
To find the class boundaries, you need to add and subtract 0.5 from the lower and upper limits of each class interval. For example:
Lower limit of 1st class: 1.7
Upper limit of 1st class: 2.9
Class width: 2.9 - 1.7 = 1.2
Class boundaries of 1st class:
Lower boundary = 1.7 - 0.5 = 1.2
Upper boundary = 2.9 + 0.5 = 3.4
Similarly, you can find the class boundaries for the rest of the class intervals.
Class boundaries:
1.2 - 2.4
1.5 - 2.7
1.7 - 3.0
2.1 - 2.9
2.4 - 3.2