school
Acemy

Two-Variable Data: Models and Scatterplots

SAT Math· difficulty 3/5

A line of best fit is y=−1.2x+30y = -1.2x + 30. The slope of −1.2-1.2 means:

  • A

    There is no relationship.

  • B

    Each unit increase in xx decreases yy by 1.2.

    check_circle
  • C

    When x=0x = 0, y=−1.2y = -1.2.

  • D

    Each unit increase in xx increases yy by 1.2.

Explanation

Slope = rate of change. A slope of −1.2-1.2 means yy decreases by 1.2 for each unit increase in xx.

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forwardPredict my AP score

Related questions

auto_awesomeAll Toolsquestion_answerHomework Q&Amenu_bookAP & SAT PreptimelineLearn Mode