Answer:

Step-by-step explanation:
Given
The above table
Required
The standard deviation
First, calculate the class mid-point. This is the average of the class interval.
The mid-point x is:





So, we have:

Calculate mean




The standard deviation is:




Answer:
All i did was divide
Step-by-step explanation:
Answer:
2
<h2>don't forget to follow me</h2>
Answer:
19 more female sheep.
Step-by-step explanation:
Answer:
A: $656 B: $24.6 per hour, $172.2 total overtime pay. C: $828.2
Step-by-step explanation:
A: multiply 16.4 times 40
B: <u>16.4 / 2 = 8.2</u> <u>8.2 + 16.4 = 24.6. </u> <u>24.6 times 7 is 172.2</u>
C: Add overtime pay and regular pay to get total gross pay.