Question

A 2-column table with 9 rows. The first column is labeled year with entries 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013. The second column is labeled precipitation with entries 5. 98, 6. 05, 07. 59, 5. 27, 3. 11, 7. 18, 2. 95, 7. 22, 2. 61. The table shows the precipitation in December, in inches, for Washington state from 2005 to 2013. What was the mean amount of precipitation during this time? Round to the nearest hundredth. 1. 97 inches 2. 61 inches 5. 33 inches 5. 98 inches.

Answer 1

The mean amount of precipitation from 2005 to 2013 is 5.33 inches.

it is given that

precipitation in 2005 = 5.98 inch

precipitation in 2006 = 6.05 inch

precipitation in 2007 = 7.59 inch

precipitation in 2008 = 5.27 inch

precipitation in 2009 = 3.11 inch

precipitation in 2010 = 7.18 inch

precipitation in 2011 = 2.95 inch

precipitation in 2012 = 7.22 inch

precipitation in 2013 = 2.61 inch

what is the mean value?

the mean value is the ratio of the sum of all observations to the number of observations.

sum of observation = 47.96

number of observations = 9

mean = 47.96/9 = 5.33 inches

therefore mean amount of precipitation from 2005 to 2013 is 5.33 inches.

to get more about mean refer to:

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