Answer:
Step-by-step explanation:
Mean = Sum of data ÷ number of data set
Median:
Arrange the data in ascending order:
2 , 3 , 3 , 4 , 7 , 9 , 15
Middle term is the median of the data set
Median = 4th term = 4
Mode:
Mode is the data whose is frequency is more.
So, mode = 3
Range = Maximum - minimum
= 15 - 2
= 13
One son plays both, so subtract 1 from both categories. You're left with 1 son who plays both, 2 sons who play only football, and 1 son who plays only baseball. She has 4) 4 sons.
You put it into a graphing calculator and it'll come up with answer D.
To solve this, let's use the variable 'x' to represent the money invested:
11(0.026(x)) = 6500
0.286x = 6500
Divide:
x = 227272.7272...
We can round up:
x = 227272.73
June has to invest $227272.73