For 1.
Positive correlation means if you plot a country's population and land size on a graph. There would be a linear regression line that's sloping upwards.
Since it's a scatterplot, there will be some that fall out of the line, but most of them should be on the line.
It's (A)
For 2.
An outlier is a datapoint that's far, FAR away from the others, so it's (B)
For 3. (A), it's a single line-of-best fit that runs through the middle of the cluster of data points.
Answer:
Computer professionals known as software engineers, or programmers use the software development life cycle to create software required for information systems.
Explanation:
Computer professionals are called software engineers and programmers because they develop and program software. Some additional titles for computer professionals are hardware engineers and iOS/Android developers.
Video editors are used to edit videos making them more visually pleasing in quality and appearance. They are very popular nowadays when people are fond of taking videos and uploading them to social networking sites. Examples are Adobe Premier PRo, Sony Vegas Movie studio and Lightworks.
Smart Watches are taking over normal watches. They are getting WAYYY cheaper. There is one for about $14