Answer:
Experiment
Step-by-step explanation:
An observational study is a study where researchers simply collect data based on what is seen and heard and make inferences based on the data collected.
Whereas, Experimental studies are the ones where researchers introduce an intervention and study the effects.
Giovanna did not just collect data alone and make inferences based on the collected data, as is done during an observational study, but she studied the effects of the data that she collected by calculating the average driving duration for each route.
Hence we see that she conducted an Experimental study.
Answer: 12 - 4 = 8
Step-by-step explanation:
All you need to do is plug in 3 wherever you see an x!
y = 3(3) - 2(3)^2 + 5(3)^3
y = 9 - 2(9) + 5(27)
y = 9 - 18 + 135
y = -9 + 135
y = 126
Hope this helps!
Answer:
113 - 180 = 67 degrees
Step-by-step explanation:
113 degrees from 180 degrees equals 67 degrees
Mean=Average
Simply add all the numbers together and divide by the amount of numbers there are (6)
<span>73+77+85+84+37+115=471
471/6=78.5 average score</span>
