Answer:
B
Step-by-step explanation:
I hope this helped!
3:4 = 6:8 = 9:12 = 12:16 = 15:20 = 18:24
Answer:
One and Four
Step-by-step explanation:
Answer:
x=2.5
Step-by-step explanation:
Answer:To calculate the standard deviation of those numbers:
1.Work out the Mean (the simple average of the numbers)
2.Then for each number: subtract the Mean and square the result.
3.Then work out the mean of those squared differences.
4.Take the square root of that and we are done!
Step-by-step explanation: