Answer:
1st quartile: 1920s / 6
Step-by-step explanation:
First find the median, which is 1950s / 10. There are 5 rows behind it.
The median of those previous 5 rows is 1920s / 6.
The grades received on a test by twenty students were 100, 55, 75, 80, 65, 65, 95, 90, 80, 45, 40, 50, 85, 85, 85, 80, 80, 70, 6
Delvig [45]
To find the average of a set of numbers you add them all together. Then divide by the amount of numbers
Answer:
discount: $52 price after discount: $16
Step-by-step explanation:
