Answer:
(a)


(b)
B. The sample is too small to make judgments about skewness or symmetry.
Step-by-step explanation:
Given:


Solving (a):
First, calculate the difference between the recorded TBBMC for both operators:

The last row which represents the difference between 1 and 2 is calculated using absolute values. So, no negative entry is recorded.
The mean is then calculated as:




Next, calculate the standard deviation (s).
This is calculated using:

So, we have



Solving (b):
Of the given options (A - E), option B is correct because the sample is actually too small
You have to split it into triangles
but you have to know how to use pythagorus in 3D shapes
Answer:
[11 2]
Step-by-step explanation:
10 to -1 is 11 and-3 to -5 is 2 therfore you have the distance of 11 and 2
I dont have an answer buy i need to answer a question so i can ask my question sry
230% in the simplest form is 2.3