Answer: 17
Step-by-step explanation:
78 x 9
=702
702 -719
= 17
The answer is 20in. You multiply 4 by 5 because 5x5 is 25 so the answer is 20
Answer:
decrease by 5
Step-by-step explanation:
n= 10
then in sequence,
n= n-5
Answer:
a) 19 students
b) the mean 3 9/19
the median 3
the mode 3
c) the range 6
Step-by-step explanation:
The data set shows that
0 points gets 1 student,
1 point gets 1 student,
2 points get 2 students,
3 points get 6 students,
4 points get 4 students,
5 points get 3 students and
6 points get 2 students.
a) There are 1+1+2+6+4+3+2=19 students.
b) The mean is

The average score is 3 9/19 points.
The median is 10th term in the data set - 3 points (means the middle score in the data set)
The mode is 3 points (means most happened score)
c) The range of the data is 6-0=6 points.
55.04 is 256% of 21.5
Hope it helps and hope its right...---