Using the range rule of thumb, significantly low/high values are given as,
Significantly low value=
Significantly low value =1081.3-(2*128.4)=824.5
Significantly high value=
Significantly high value=1081.3-(2*128.4)=1338.1
The limit of values is 824.5 to 1338.1.
A value below 824.5 is considered low and a value above 1338.1 is considered high.
Therefore, the value of 1358.1is more than the upper limit, thus it is significantly high
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