I will give brainliest and 25 points pls help me, I don't know how much longer I can stare at this question and please only answer part two, I already did part one and three. and pls include an explanation on how you found the answer. pls and thank you. and pls only put in an answer if you know, if you don't than pls don't put anything in. thank you
The following dot plot represents a random sample of elementary students and the number of children that live in their home. Part 1: What is the range of the data set? Part 2: What is the interquartile range of the data set? Part 3: What is the mean absolute deviation of the data set? [Round both the mean and the mean absolute deviation to the nearest tenth.]​

In may you used 400 kilowatt-hours of energy for electricity. a. calculate the total electrical energy use in joules. b. calculate your average power use in watts. c. assume that your power supplier generates electricity by burning oil. note that 1 liter of oil releases 12 million joules of energy. how much oil is needed to generate the electricity you use? give your answer in both liters and gallons. a. the total electrical energy use was nothing _ joules. (type an integer or a decimal.) b. the average power use is nothing _ watts. (round to the nearest whole number as needed.) c. to generate the electricity you used, nothing _ l is needed. (round to the nearest whole number as needed.) to generate the electricity you used, nothing _ gal is needed. (round to two decimal places as needed.)