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Total Numbers in Set: 10
Mean (Average): 10.5
Median (Middle): (10+11)/2 = 10.5
Mode (Most Common): 10,11
Range (Biggest - Smallest): 5
Ascending Order: 8,9,10,10,10,11,11,11,12,13
Answer:
The mean or average is 9.5 for this set of data. The median is 10.5 and the range is 5.
x=1
Step-by-step explanation:
8x-1=3x+4
8x-1+1=3x+4+1 *You add one on both sides
8x=3x+5
8x-3x=3x-3x+5 *Then you subtract 3x by positive 3x and subtract 8x by -3x
5x=5
5x/5=5/5 *Divide both sides by 5
x=1 *An finally you get your answer
78
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