Answer:
-7.5
Step-by-step explanation:
Put all the numbers in order (least to greatest)
-20, -15, -12, -10, -9, -6, -4, 14, 18, 18
Find the number in the middle
-9 and -6
Add -9 and -6 together and divide by 2 to get median.
-7.5
Let's say that number is "x", therefore "x" is the 100%, and we know that 15 is 1 and 1/2% of that,
Answer:
0.67449
Step-by-step explanation:
Let be the 3rd quartile of normal distribution .
-z-score corresponding to the upper quartile can be calculated in excel as:
- In Excel, click on any empty cell'
- Type the function NORMINV
- Enter the probability as 0.75, mean= 0 and standard deviation=1
- Click the enter button.
-The output is 0.67449. Hence, the z-score corresponding to the upper quartile (Q3) of a normal distribution is 0.67499
Answer:112 years, you see a pattern of multiplying by 2, take 224 and divide it by 2 and you get 112
Step-by-step explanation:
Answer:
drake has 4 times as much than brenda
Step-by-step explanation:
36/9 = 4
4 x 9 = 36