Answer:
a) The third quartile Q₃ = 56.45
b) The variance = 2633.31
Step-by-step explanation:
a) The coefficient of skewness formula is given as follows;
Plugging in the values, we have;
Solving gives Q₃ = 56.45
b) To determine the variance, we use the skewness formula as follows;
Plugging in the values, we get;
The variance = σ² = 51.32² = 2633.31.
Answer:
6 laps
Step-by-step explanation:
Since the ratio is 2:3, and 4 is twice the number of 2, then you'd have to times 3 by 2, in which you'd get 6.
Given:
To find:
Solution:
Solving the equation (i):
Putting the value of x into the equation (ii):
Putting the value of y into the equation (i):
So, the value of
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