What interval would you use on a line graph that's range is +13~+42?
To determine an appropriate interval for a line graph, you need to consider the data range and the desired level of detail. In this case, the range of the graph is from +13 to +42.
To start, subtract the minimum value (+13) from the maximum value (+42) to find the data range:
Data range = Maximum value - Minimum value
= +42 - +13
= +29
The chosen interval should be a convenient factor of the data range. Common factors might include 1, 2, 5, or 10.
Considering convenience and legibility, let's choose an interval of 5.
Now, divide the data range by the chosen interval to determine the number of intervals needed:
Number of intervals = Data range / Interval length
= +29 / 5
= 5.8
Since we cannot have a fractional number of intervals, we round it up to 6 intervals.
Finally, divide the data range by the number of intervals to find the value of each interval:
Interval value = Data range / Number of intervals
= +29 / 6
= +4.8
Rounding up, we can set an interval of 5 on the line graph.
Therefore, for a line graph with a range of +13 to +42, you would use an interval of 5.