I think the correct answer would be option C. The best assumption that will work for a large data set having a normal distribution would be that most of the data points are close to the mean value of the set. Having this assumption, we can use freely the common measures of central tendency as statistical tools.
Answer:
no solution
Step-by-step explanation:
it's just 41
You divide both numerator and denominator by a number that can easily divide into both evenly. Divide both by 7. 21 / 7 = 3 and 35 / 7 = 5 so Simplest form would be 3/5. :)
B
70^2 -30^2=5184
square root answer to get 72