Answer:
<h2>10</h2>Step-by-step explanation:
Given the following parameters
standard deviation σ = 2.5
z-score Z = 2.4
observed value x = 16
Mean of the dataset μ = ?
Using the formula for calculating the z-score as shown to calculate the mean
On substituting the values;
The mean of the dataset is 10
Answer:
Option C.
Step-by-step explanation:
The given expression is
We need to find the factored form of the given expression.
The given expression can be rewritten as
It is clear that is common.
Taking out common factors, we get
It is the factored form of the given expression.
Hence, the correct option is C.