Plz with these two question.
the ages of 10 workers at a factory are shown. what is the mean absolute deviation for the group (round to the nearest tenth)?
a) 10.3
b) 12.7
c) 40.4
d) 127.8
the scatter plot shows a regression line of advertising dollars spent and sales. if the company were to spend $350,000 on advertising, what would be the predicted sales?
a) $116 million
b) $120 million
c) $118 million
d) $122 million