Average:
{{layer.renderer.band.histogram.mean| number:'1.0-2'}}
Standard deviation:
{{layer.renderer.band.histogram.stddev| number:'1.0-2'}}
Min:
{{layer.renderer.band.histogram.min| number:'1.0-2'}}
Max:
{{layer.renderer.band.histogram.max| number:'1.0-2'}}
Confidence interval:
{{layer.renderer.band.histogram.confidence * 100| number:'1.0-0'}}%