If you rotate Triangle DEF to where the 90 degree angle is on the bottom right, you can the compare the two triangles. You can divide 300/25, 240/20, and 180/15. They all result in 12 meaning they are congruent and similar in that way. (I’m only 90% this is right btw)

3 0

2 years ago

Determine whether the underlined value is a parameter or a statistic. In a national survey on substance abuse comma Modifying 66

Iteru [2.4K]

Answer:

Parameter

Step-by-step explanation:

Parameter and statistic:

Parameter is a numerical value that describes a population.
A sample is a part of the population and always smaller than the population.
The statistic is a numerical value that describes a sample.

Population of interest:

College students aged 18 to 22

Parameter:

66.4% reported using alcohol within the past month

Thus, the given is a parameter as it describes a population proportion.

4 0

2 years ago