Answer: Sample statistics are used to make inferences about population parameters.
Step-by-step explanation:
A number which describes a population is called a parameter, such as a proportion or percentage.
A statistic is a number which may be calculated from the data observed in a random sample without demanding the use of any unknown parameters.
The mean and variance of a population are population parameters.
Thus, fourth statement is the right answer "Sample statistics are used to make inferences about population parameters."
Answer:
8/3x + 6 (first option)
Step-by-step explanation:
Well youc an use the destructive property, multiply 2/3 with each number in this expression
2/3* 4x= 8/3x
and
2/3 *9 is 6
Now just plug it in as usual
8/3x+6
Answer:
B
Step-by-step explanation:
8/33 = 0.24242424 ...
so 6.24 repeating = 6 8/33 which is rational. It can be represented by
206/33 which is a fraction and hence rational
Answer:
3.5
Step-by-step explanation:
Answer:
b=2
Step-by-step explanation:
14= 6+6 +b
14=12+b--> 2=b
