Eighteen readers took a speed reading course. The data above contained the number of words that they could read per minute before and after the course. Test to see if the course was effective in increasing reading speeds.

What is the appropriate t-test statistic to test this hypothesis? Make sure to be careful in choosing the correct test and specifying it to the computer. Report 3 decimal places in your answer.

Pair Test? Use R studio if possible

Reader	Before	After
1	250	260
2	300	310
3	320	330
4	340	350
5	380	390
6	400	410
7	310	320
8	420	430
9	360	370
10	390	400
11	321	331
12	213	223
13	263	273
14	450	460
15	430	440
16	420	422
17	150	152
18	190	192