Determine if the following is: SURVEY,| EXPERIMENTATION, | OBSERVATION ______a.  A student researcher aims to know the favored vaccine of top government officials. So, the researcher produced a list of questions and interviewed several officials regarding their vaccine of preference. Majority did not want to get vaccinated with a vaccine with a poor efficiency rate.  _____b. A boy wants to discover the percentage of his followers in Twitter that have a high propensity for believing fake news. The boy started a group in Twitter and invited several of his acquaintances. She then posted fake news and documented the reactions.  _____c.  The U.S. President wishes to know the number of COVID-19 cases in the population if the quarantine limitations are

MATLAB: An Introduction with Applications
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1. Determine if the following is: SURVEY,| EXPERIMENTATION, | OBSERVATION

______a.  A student researcher aims to know the favored vaccine of top government officials. So, the researcher produced a list of questions and interviewed several officials regarding their vaccine of preference. Majority did not want to get vaccinated with a vaccine with a poor efficiency rate. 

_____b. A boy wants to discover the percentage of his followers in Twitter that have a high propensity for believing fake news. The boy started a group in Twitter and invited several of his acquaintances. She then posted fake news and documented the reactions. 

_____c.  The U.S. President wishes to know the number of COVID-19 cases in the population if the quarantine limitations are modified.  The president sets the following quarantine levels: ECQ, MECQ, GCQ. The authority then modified the quarantine level randomly every month while tracking the oscillations in the number of COVID-19 cases.

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