The average speed for severeal cities in pennsylvannia are given below 8.9 11.0 7.5 7.7 9.5 9.0 7.6: question A determine the range of the data B determine the median and the first and third quartile ​

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!