Answer:
C.
Mean= 4.9
Mean Absolute Deviation (MAD): 4.099173553719
Step-by-step explanation:
An outlier is a value that is very different from the other data in your data set. This can skew your results. As you can see, having outliers often has a significant effect on your mean and standard deviation. Because of this, we must take steps to remove outliers from our data sets.
outlier: 21
30% of £10 = £3
30% discount = £10 - £3 = £7
Cake costs £7
Answer:
3x + 3, 4x+2, 5x+1
Step-by-step explanation:
what are equivalent to2x+4