Explanation:(a) Was this an observational study or an experiment? Explain your reasoning. Experiment, because certain variables were controlled (he sets the screen brightness to low and then starts a movie) to determine if iPhones last longer if the screen brightness is set to low, and it proves the cause and effect relationship.
(b) What is the explanatory variable and the response variable? Response Variable- To determine if iPhones last longer if the screen brightness is set to low Explanatory variable- he sets the screen brightness of 10 of the iPhones to high and starts a movie, then the other 10 to low and starts a movie.
(c) Was a random sample used to collect the data? Yes- “he selects a random sample of 20 brand new iPhones”
Answer:
The subjects of a conquered kingdom are not used to living in freedom or standing up for themselves, and are therefore slower to take up arms than are the citizens of a republic. There are three options for the conquering prince: destroy the republic, live there, or set up a puppet government. At the end of the day, Machiavelli seems to favor the first option.
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Factorise I am not sure if you are follow me please please f
Inventory and purchases are used to determine the last journal entry under the periodic method.
<h3>What is a Journal?</h3>
This is defined as a detailed account that records all the financial transactions of a business.
This is however done so as to be used for future reconciling of official accounting records. The periodic method has the Inventory and purchases as determinants in last journal entry of the accounting period.
Read more about Journals here brainly.com/question/19602610
