Holding Your Breath You will also have to decide what size class intervals to use.
{"Image DocumentName": "Holding Your BreathYou will also have to decide what size class intervals to use.", "Image ImageDescription": "When continuous data is grouped into class intervals it is important that no values are missed out and that there are no overlaps. For example, you may decide to use class intervals with a width of 5 seconds. If everyone holds their breath for more than 30 seconds the first class interval would be more than 30 seconds, up to and including 35 seconds. Verify that there are no gaps or overlaps for the two class intervals given. This is usually written as 30 < t \u2264 35, where t is the time in seconds. The next class interval would be _________. 35 < t \u2264 40.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}