The breaking strength of 20 test pieces of certain string. 95,103,97,130,96,73,78,95,89,68,82, 79,69,67,83,108,94,87,93,117
Find:
I. Mean, Median, Mode
II. Q1 and Q3 and Q. D
III. Variance and standard deviation

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!