<em>Part </em><em>A</em>
<em>5.4-3.1=2.3 - time </em><em>David</em>
<em>Part </em><em>B</em>
<em>4</em><em>,</em><em>9</em><em>+</em><em>3</em><em>.</em><em>1</em><em>=</em><em>8</em><em> </em><em>-</em><em> </em><em>time </em><em>T</em><em>ed</em>
<em>Part </em><em>C</em>
<em>So</em><em> </em><em>answers</em><em>:</em><em> </em>
<em>1</em><em>.</em><em> </em><em>2</em><em>.</em><em>3</em>
<em>2</em><em>. </em><em>8</em>
You're welcome amigo
Answer:
True
Explanation:
Observational study is a kind of study in which individuals are observed or certain outcomes are measured,without manipulation or intervantion from external sources.
Measuring the relationship between the attractiveness scores asigned to college students by a panel of peers and their scores on a paper and pencil test of anxiety is simply an observation to ascertain an outcomewhich is simply a comparison.
Answer: .....
Explanation: its the division of a business that is charge with finding recruiting, and training job applicants and etc