Answer:
Standard deviation of a normal data distribution is a measure of data dispersion.
Step-by-step explanation:
Standard deviation is used to measure dispersion which is present around the mean data.
The value of standard deviation will never be negative.
The greater the spread, the greater the standard deviation.
Steps-
1. At first, the mean value should be discovered.
2.Then find out the square of it's distance to mean value.
3.Then total the values
4.Then divide the number of data point.
5.the square root have to be taken.
Formula-
SD=
Advantage-
It is used to measure dispersion when mean is used as measure of central tendency.
From previously received a monthly salary of $1,375.00, Your new monthly salary increase by six percent would be $1,457.50.
What is the percentage?
A percentage is a minimum number or ratio that is measured by a fraction of 100.
You previously received a monthly salary of $1,375.00
Now by economic expansion, causing wages to increase by 6%
Increment of the salary = 6% of 1,375.00
= 6/100 × 1,375
= 0.06 × 1,375
= $82.50
So, your new monthly salary would be = $1,375.00 + $82.50
= $1,457.50
Hence, your new monthly salary would be $1,457.50.
Learn more about percentages;
brainly.com/question/13450942
Answer:
$57.50
Step-by-step explanation:
- 75(0.2 discount)
- =15
- 75-15
- =50
- 50(0.15 sales tax)
- =7.50
- 50+7.50
- =57.50
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