Answer:
Option a is right
Step-by-step explanation:
Given that as part of a research project on student debt at TWU, a researcher interviewed a sample of 35 students that were chosen at random concerning their monthly credit card balance.
Sample average = 2573
Variance = 4252
Sample size = 35
STd deviation of X = 
Score of student selected at random X=1700
Corresponding Z score = 
Rounding of we get Z score = -13.4
option a is right
Go -6 for x axis and -4 for y axis
Answer:
Step-by-step explanation:
okay is there a graph for it? or is it just like that?
Answer:
survey
Step-by-step explanation:
because she wants to know the opinions of the girls