For a sample of similar sized all-electric homes, the March electric bills were (to the nearest dollar).What is the range? 230 205 135 166 110 78 102 115 135 188 295 S S S S S S S S S S S A sample of single persons receiving Social Security payments revealed these monthly benefits. 850 700 1,205 875 325 1,000 878 389 400 850 How many observations are above the median? 0 3 0 4 O 3.5 O 4.5Below is the frequency table for Residential Sales per capita. What is the number of observations in this data set? Table 2-6E: Frequency Table for Residential Sales per Capita (k=6) Classes Class Interval Midpoint Frequency" Relative Lower Bound Upper Bound Cumulative n - 51 Frequency Frequency 1.97 2.97 2.47 8% WNM 2.97 3.97 8%% 3.47 14 27%% 35% 3.97 4.97 4.47 10 20% 4.97 5.97 5.47 14 27% 82% 5.97 6.97 6.47 18% 6.97 100% 7.97 7.47 0%% 100%% 0 6 O 14 O 100 0 51