Answer:
First we need to find the mean and standard deviation of the given data.
The mean and standard deviation are given below:




We have:


Therefore, the percentage of values that lies within one standard deviation of the mean is:

The expected percentage of values within one standard deviation of the mean according to normal distribution is 68%.
Therefore, the observed percentage of values within one standard deviation of the mean is much higher than the expected percentage of a normal distribution.
Answer:
no
Step-by-step explanation:
³⁾2/3 = 6/9 ≠ 1/9
Answer:
0.62
Step-by-step explanation:
3.1/5=0.62
Answer:

Step-by-step explanation:
Height of the Rectangle
Width of the Rectangle
Area of the Rectangle = Height X Width

The area of the rectangle is 
120 , I think ......................