Answer:
50% of all students scored more than 48 marks.
Step-by-step explanation:
1) The baseline of the box, in a box plot is the first quartile, the line in the middle is the median or Q2 and the last line (or top line) is the third quartile. Namely,
2) The Question says "nobody took 30, 48 or 70 as their grades. But 120 students gained less than 70", i.e. 120 are within the 75% of the sample.
3) If then 50% of the students scored more than 48. And 50% of the students scored less than 48. That is also known as the Median.
So 50%, the half of all students scored more than 48 marks.
Answer:
The answer is 17.
Step-by-step explanation: The reason for the answer 17 is to find the average or the middle line in the trapezoid you add the top line and the bottom line. After you add those two together you get 34. Then you divide it by 2 which you get 17. Sorry I answered this late.
A mixed number is a fraction but if you want it as a improper fraction, multiply the denominator by the unit so,
4*3=12
add 1 (from the numerator)
12+1=13
Your fraction would be 13/3 because the denominator stays the same.
Answer:
cualeeeeeeeeeeeeeeeeeeeeees fffffleeeeeccccchhhhaaaasssss
Answer:
there are two solutions:
a) , and
b)
Step-by-step explanation:
In the equation: , since a perfect square with the unknown "y" is isolated on the left of the equal sign, we start by applying the square root on both sides of the equality, and then on isolating the unknown:
Therefore there are two solutions:
a) , and
b)