Answer:
x>-3 is the answer hope it helps
Answer:
Median is the center of the numbers that you were given
Mode is the number that appears most often
Range is the difference between the lowest and highest numbers
Mean is the average
Step-by-step explanation:
Median: line all numbers up in order from greatest to least and then count to the center if there are 2 in the center add them and divide them by 2.
Mode: Count how many of each number
Range: Subtract the largest number from the smallest. 17-12=5 5 is the range
Mean: Add all numbers up and divide by the amount of numbers.
1+3+5+3=12
12/4 = 3, three is the mean
Answer:
cool
Step-by-step explanation:
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.
