The answer for B is 2 and 1/4 is the most common figure size
The answer is X=3
Hope this helps!
Given:
standard deviation = 4.3%
sample size = 15
mean = 26.4%
error = σ/√n
error = 4.3% / √15
error = 4.3% / 3.873
error = 0.0111
0.0111 x 100% = 1.11%
Answer:
150 units
Step-by-step explanation:
you count the lines and each line is 50