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.
Answer:
no ones gonna solve that for 5 points
Step-by-step explanation:
sorry
Answer:
4x+10
Step-by-step explanation:
Answer:
NO
Step-by-step explanation:
always look at the number after point
Answer:
I DON'T KNOW the answer but hears the explanation.
Step-by-step explanation: So the total area of the composite shape is 30 + 20 = 50 cm². Note: An alternative method is to use the formula for the area of a trapezoid. Example 2 A circular shaped garden of radius 15m contains a square concrete region of side length 4m.