3 rows with 15 columns or it could be 15 rows with 3 columns.
Hope it helped ;)
Answer:
Please loo at the attachment.
Step-by-step explanation:
We have been given condition:
That means y=0 at x=4
So, the graph will be the vertical line because their will be a representation where y=0 and we have value of x only.
Graph is in the attachment for the given condition.
Answer:
Step-by-step explanation:
I sample :
Sample size n1 = 60
Sample average = x bar = 5.2 minutes
STd deviation sample = s1 = 3.1 minutes
II sample:
n2 = 72
y bar = 6.1
s2 = 2.8 minutes
Mean difference = -0.9
Std error for difference =
t statistic = mean diff/se = -1.735
p value = 0.0848
Since p >0.05 we accept null hypothesis that there is no difference between the two averages
Conclusion:
a) We cannot conclude that the mean checkout time is less for people who use the self-service lane
b) NO, we cannot conclude that if everyone used the self-service lane, that the mean checkout time would decrease
Answer:
Examples of line segments include the sides of a triangle or square. More generally, when both of the segment's end points are vertices of a polygon or polyhedron, the line segment is either an edge
Step-by-step explanation:
Hope this helps:)