Answer:
(38,9)
Step-by-step explanation:
Answer:
option C.
Step-by-step explanation:
The given graph is the bell shaped graph.
From the graph we can observe that the peak is at 69.
So, the mean of the data is = 69 .
Standard deviation is the deviation of the graph from the mean value.
= 72-69 = 3
Hence, the standard deviation is equal to 3.
So, the correct answer is option C.
<u>Answer:</u>
The rounded off nearest percent of the percentage increase in highway fatalities is 4%.
<u>Solution:</u>
In 2006, there were 41,059 highway fatalities in the united states.
In 2007, the number increased to 42,708 highway fatalities.
We have been asked to find the percentage increase in the highway fatalities.
Here final value = 42708
Initial value = 41059
Hence percentage increase is given as
= 4.01 %
<u><em>Rounding to nearest percent:</em></u>
On rounding to nearest percent we get 4%
Hence the percentage increase is 4 %
the answer is
d. rational