Answer:
Observational study
Step-by-step explanation:
There are 3 types of statistical study:
1) Experimental: Under this, any experiment is done on a certain group of population.
2) Observational: Under this study, the events are observed regularly and the record is made.
3) Survey : Under this study, a survey is conducted with a a group of population and the record is made.
According to question, A meteorologist keeps hourly temperature records over the course of several years in order to look for long-term variations, this is an example of <u>observational study</u>.
I would tell her not to because not only does she have to pay back the 1000 but now she also has to pay back the interest on it. She should just wait or save up until she has 1000 that way she dont gotta pay extra.
Answer:
Use calculator
Step-by-step explanation:
Use your calculator, put the number in front of the square root, then use 2nd then hit the button below math to get the square root on your calculator.
Answer:
9.1%
Step-by-step explanation:
The total number of observations is 33. The number in the second class is 3, so the relative frequency is ...
3/33 × 100% = (100/11)% ≈ 9.1%