Answer:
standard deviation of these expected returns = 0.0295 or 2.95%
Step-by-step explanation:
The detailed step is shown in the attachment
Given that the mean is 55 inches and Dave is 57 inches, he would have increased the mean of the height in the stem-and-leaf plot that the students were making. This is however is also dependent upon the central tendency that was used, in this case the central tendency is mean or average.
To solve this problem you must apply the proccedure shown below:
1. We know that 1 yard is 36 inches, therefore, 50 yards expressed in inches is:

2. If he is 50 yards from school and the map shows that the school is 34 inches from his current location, when it shows 3 inches the real distance is:

3. If you can to express it in yards:

Therefore, the answer is: 158.82 inches or 4.41 yards.
Assuming x = dimes, y = quarters


Substitute that into,

Answer : He has 16 quarters.
Hope this helps. - M
Answer:
5.5360
Step-by-step explanation:
I added
5+0.5= 5.5
5.5+0.03=5.53
5.53+0.006=
5.5360