Answer:
Step-by-step explanation:
Hello!
To estimate the average number of hours a student their highschool sleeps per night, the students of the statistics class took as sample the first 120 students that arrived at the school on a particular day, out of the 1200 student population, and asked how many hours of sleep they got the night before.
The population of interest is the entire group of experimental units that exists in the world, in this example is the student body of the high school: 1200 students.
The sample is formed by the students that were interviewed: 120 students.
The parameter of interest is the average sleep time per night of the students in high school.
Correct answer:
(D) Sample: the 120 students surveyed. Population: the 1200 students at the high school. Statistic: The average number of hours a student at this high school sleeps per night.
Answer:
in this 3 is the correct answer
Answer:
$247.50
Step-by-step explanation:
$750-33%=$502.50
$750-$502.50= $247.50
Remember it's not asking for the final amount, just how much it went down by.
I’m very sorry but I don’t understand
Step-by-step explanation:
I think it should be -6, because line segment equals 12 and it's midpoint will be 12/2 = 6, so you must go down by 6 from (0,0) point on y axis which is 0-6=-6
So the point will be (0, -6)