Using it's concept, it is found that the sample mean package weight for Thursday is of 19 ounces.
<h3>What is the mean of a data-set?</h3>
The mean of a data-set is given by the <u>sum of the observations divided by the number of observations</u>.
For Thursday, the package weights in ounces are given by: {18, 19, 20, 19}.
Hence, the sample mean in ounces is of:
M = (18 + 19 + 20 + 19)/4 = 19.
More can be learned about the mean concept at brainly.com/question/24628525
Answer:
5x= 2x+6
Step-by-step explanation:
5 times a number= 5x
2 times the number=2x
6 more= +6
Answer:
b=3a
Step-by-step explanation:
1/3b times 3 = b
a times 3 = 3a
Answer:
A)12 square units