Graphing Data
Problems
Problem :
The mean of a set of
10
numbers is
67
. If the values
99
and
67
are removed from the set, what is the new mean?
Hint: Find the total of the 10 original numbers.
Problem : The median of {9, 12, 16, -3, 5x + 2} is 12 . What are the possible values of x ? Write your answer as an inequality.
Problem : The mode of {4, 5, 1, 4, 4, 9, 5, x} is 4. What are the possible values of x ? Write your answer as an inequality.
Problem : Bill picks 5 whole numbers. Four of them are {2, 4, 7, 2} . The range of his numbers is 5 . The median of his numbers is 4 . The mode of his numbers is 2 . The mean of his numbers is not equal to 4.2 . What is the fifth number?
