Here Are Some Summary Statistics for Annual Snowfall in a Certain

Here are some summary statistics for annual snowfall in a certain town compiled over the last 15 years: lowest $\text { amount } = 18$ cm, $\text { mean } = 49$ cm, $\text { median } = 42$ cm, $\text { range } = 82$ cm, $\mathrm { IQR } = 50 ,$ $\mathrm { Q } 1 = 20 \text {, }$ standard $\text { deviation } = 10$ cm.Between what two values are the middle 50% of snowfall found?

A) 20 and 70
B) 12.25 and 36.75
C) 49 and 42
D) 10.5 and 31.5
E) 18 and 100