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1. The mean hourly snowfall is 1.167 centimeters.

   What is the mean?

   The mean is the average value of a data set.

   The mean is calculated by dividing the total amount by the number of items in the data set.

   Data and Calculations:

   Total snowfall at 5 p.m. = 5 centimeters

   Total snowfall at 11 p.m. = 12 centimeters

   Change in total snowfall at 11 p.m. = 7 centimeters (12 – 5)

   Change in total time between 5 p.m and 11 p.m. = 6 hours (11 p.m. – 5 p.m.)

   Mean hourly snowfall = 1.167 centimeters (7 cm /6 hrs)

   Thus, the mean hourly snowfall is 1.167 centimeters.

   Learn more about the mean at https://brainly.com/question/20118982

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