Answer:
(a)
(b)
(c) Smoking increases the time to fall asleep
Explanation:
Solving (a): The sample mean of each group
Mean is calculated as:
So, we have:
<u>Smokers</u>
and
Non Smokers
and
Solving (b): The standard deviation of each group
This is calculated as:
For smokers
So:
For non-smokers
So:
Solving (c): Impact of smoking on time to sleep
In (b), we have:
--- smokers
--- non-smokers
<em>Smokers have larger standard deviation (i.e. large variability) than non-smokers. This means that smokers require more time to fall asleep.</em>
Answer:
For an Ominous mood, the artist must have to use the big charades clip as it is a dramatic scene to manipulate the feeling.
Explanation:
Light is a way to manipulate the mood, but analyzing only the light to create an ominous feeling is the big charades, which is a word represented by a picture, or action, or a game in which players try to guess a word from the work of another player.
It is an act to make something different when light element use by film artists.
Productivity programs improved the professional lives of people because:
- made it easier and faster to communicate with others
- made it easier to manipulate numbers in a spreadsheet
- made it easier and less expensive to present information
<h3>What is productivity?</h3>
Productivity is known to be the level of efficiency in regards to the production of goods or services and it is one that is rated by some measure.
Hence, Productivity programs improved the professional lives of people because:
- made it easier and faster to communicate with others
- made it easier to manipulate numbers in a spreadsheet
- made it easier and less expensive to present information
Learn more about productivity from
brainly.com/question/14262252
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<span>WAN stands for Wide Area Network and represents an interconnected group of computers and peripherals that covers a large geographic area.
</span>A public WiFi is a wireless local area network that provides internet access to the public. The public Wi-Fi<span> hotspots can be found in coffee shops, libraries, airports, hotels, universities..</span>
A ray and a plane sorry if it wrong