Answer:
option (a) It will be closer to 30 than to 20
Step-by-step explanation:
Data provided in the question:
For sample 1:
n₁ = 10
variance, s₁² = 20
For sample 2:
n₂ = 15
variance, s₂² = 30
Now,
The pooled variance is calculated using the formula,
on substituting the given respective values, we get
or
= 26.0869
Hence,
the pooled variance will be closer to 30 than to 20
Therefore,
The correct answer is option (a) It will be closer to 30 than to 20
Quadratic equation is the equation in which only one variable is unknown. The highest power of the variable is 2.The value of the given functions are,
The given function is,
Quadratic equation is the equation in which only one variable is unknown. The highest power of the variable is 2.
1) The value of the function (h+k)(2),
2)The value of the function (h-k)(3),
3) The value of the function 3h(2)+2k(3)
Hence the value of the given functions are,
Learn more about the quadratic equation here;