Answer:
b. 2
Step-by-step explanation:
The standard error of the sample mean is the standard deviation of the sample divided by the square root of the size of the sample.
In this problem, we have that:
Sample standard deviation of 14, sample size of 49.
So
So the correct answer is:
b. 2
Answer:
14.4 miles
Step-by-step explanation:
5 goes into 18 3.6 times and 3.6 x 4 = 14.4, she can run 3.6 miles per hour
Answer:
14, or 4/14 if you're looking for the ratio.
Step-by-step explanation:
Simple addition, although maybe man-hours is some advanced concept and I'm wrong, in which case I'm sorry.
Use Photomath is on the AppStore or google store