Question

question 28. 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. 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? a 2 b 5 c 12 d 19

Explanation:

Step1: Calculate mean for October

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

Step2: Calculate mean for December

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

Step3: Find the difference

Difference: $180.6 - 178.2 = 2.4$.

Answer:

2.4