Answer: observational study
Step-by-step explanation:
Observational study : A study in which an observer analyse one or more characteristics of a population (depends on the objective of the study) by just observing the individuals in a sample of the population, but he / she never influence the variables of interest.
Design experiment : In this experimenter design an experiment with a series of tests to check the change in the dependent variable. Here , the experimenter influences the variables of interest.
Given : A poll is conducted in which 574 high school students are asked about how often they listened to music during the past week.
here , the poll is just observing the interest of students instead of influencing them.
Hence, the study depicts an observational study.
Answer:
87067=90000
Step-by-step explanation:
because 7 is bigger than 8 so its90000
Answer: 4?
Step-by-step explanation: Im sorry if this is wrong im not good at this
Answer:
hihkhjhgh
Step-by-step explanation:
Answer:
$4.90
Step-by-step explanation:
14.50-4.35=10.15
10.15-5.25=4.90
