Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.
Chapter 14.3, Problem 54PS
To determine
a.
To find:
The number of the shirts with neck size 14 inches is to be included in the batch of 1000 shirts.
To determine
b.
To find:
The number of shirts with neck size 14.5 inches is to be included in the batch of 1000 shirts.
To determine
c.
To find:
The number of shirts with neck size 15 inches is to be included in the batch of 1000 shirts.
To determine
d.
To find:
The number of shirts with neck size 15.5 inches is to be included in the batch of 1000 shirts.
To determine
e.
To find:
The number of shirts with next size 16 inches is to be included in the batch of 1000 shirts.
To determine
f.
To find:
The number of shirts with neck size 16.5 inches is to be included in the batch of 1000 shirts.
To determine
g.
To find:
The number of shirts with next size 17 inches is to be included in the batch of 1000 shirts.
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