Answer:
The claim is rejected
Step-by-step explanation:
Claim: UCF is advertising their bachelor in Economics with the statistic that the starting salary of a graduate with a bachelor in economics is $ 48,500 according to Payscale (2013-13).
Null hypothesis: 
Alternate hypothesis :
n = 50
Since n is more than 30 .
So we will use Z test
x=43350
Standard deviation = 15000

Refer the z table
p value = 0.00776

p value < 
So, We are failed to accept null hypothesis
Hence The claim is rejected
We need the graphing tool.
Answer: C final income
Step-by-step explanation: I might be wrong but im pretty sure that its C.
Good Luck!
If only it was in english i could of read it and gave you the answer
Answer:
-0.1, 0, 0.8, 1.2, 1.6
Step-by-step explanation: