Question

question #8 the table below shows the number of homes sold in south county during the months of october through december over a 5 - year period. south county home sales year 2002 2003 2004 2005 2006 oct 196 214 184 146 151 nov 174 155 173 136 123 dec 194 206 202 156 143 what is the difference in the mean number of homes sold in october and the mean number of homes sold in december over the 5 - year period?

Explanation:

Step1: Calculate mean for October

Sum of October sales: $196 + 214+184 + 146+151=891$. Mean of October sales: $\frac{891}{5}=178.2$.

Step2: Calculate mean for December

Sum of December sales: $194 + 208+202 + 156+143=903$. Mean of December sales: $\frac{903}{5}=180.6$.

Step3: Find the difference

Difference between means: $180.6 - 178.2 = 2.4$.

Answer:

$2.4$