The lower quartile is the mean of the lower half of the data set, not incuding the median value. In this case, the lower half is 5, 8, 10, 20 and the median is 9.
By looking at the graph, we can tell that the slope is rise / run = 2 / -2 = -1
Slope = -1
We can also see that the y intercept is -1 or in point form (0,-1) Look at the line, it crosses the y axis between 0 and -2 at -1.
I got a different answer..
and i don't see it as one of your choices, also your question is confusing since you're repeating it .-.
But anyways i got
Answer:
1. yes, 3:2
2. no, population has an unproportional rate of change.
3. no, miles have an unproportional rate of change.
4. yes, 8:1
5. no, questions have an unproportional rate of change.
6. yes, 5:2
7. yes, 9:1
8. no, pounds have an unproportional rate of change.
9. no, days have an unproportional rate of change.
10. yes, 3:1
Answer:
190
Step-by-step explanation:
78 plus 78 equals 190
