Answer:
<u>Explanation:
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The field of statistics is divided into two major divisions: The inferential and The descriptive. Each of these segments important and give a different technique that accomplished different objectives.
<u>Descriptive statistics</u>: it defines what's going in the population or data sets.
<u>Inferential statistics:</u> It allows scientists to take findings from the sample group and generalize it on a large population.
Descriptive statistics help learn things such as spread and center the data. Nothing is there in descriptive that generalized on the population.
Inferential statistics also used the same calculation but the focus is different in inferential statistics.
<em>D.All government officials.
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<em>HOPE IT HELPS!! SMILE!!</em>
Answer:
They are pores encircled by specialised parenchymatic cells, referred to as guard cells. Stomata have 2 main functions, particularly they allow for gas exchange acting as Associate in Nursing entranceway for dioxide (CO2) and emotional the O (O2) that we tend to breath. the opposite main perform is regulation water movement through transpiration.
Answer:Practice effects
Explanation:
Practice effects occurs when we take the test more than one time and the test result are influenced by the fact that we have had the time to practice more or we are more familiar with the questions. Having more time to practice will enhance our performance and increase the scores that we obtain.
This may be a problem if for example a researcher is measuring a particular traits in students because the more they practice that will have an impact on the overall test if it is repeated and it won't be a true representation of how an individual will perfom normally.
