Day number	number of fronds	Change in the number of fronds since the previous count	change in the number of fronds per day	change in the number of fronds per day per frond
0	3	NA	NA	NA
1	3	0(3-3)	0 (0/1)	0 (0/3)
2	4	1(4-3)	1 (1/1)	.33 (1/3 )
4	8	4 (8-4)	2 (4/2 )	.5 (2/4)
7	15	7 ( 15-8)	2.33 (7/3)	7/24 or .291(7/3/8)
9	16	1 ( 16-15 )	.5 ( 1/2 )	1/30 ( 1/2/15 )

Day number	number of fronds	Change in the number of fronds since the previous count	change in the number of fronds per day	change in the number of fronds per day per frond
0	3	NA	NA	NA
1
2
5

6

95% confidence using the ti-83

1.  Press the "STAT" button.
  2.  With "EDIT" highlighted select "1:Edit" by pressing "ENTER".
  3.  If there is data in List 1 (L1) clear it by using the up arrow to highlight "L1".  Then press
       "CLEAR" and "ENTER".
  4.  Enter your data into List 1 (L1) by entering each value and pressing "ENTER" after each
      value.
  5.  Press the buttons "2nd" and "MODE" (QUIT) to signify the end of the data.
  6.  Press the "STAT" button.
  7.  Use the right arrow to highlight the "CALC" selection.
  8.  Choose "1:1-Var Stats" by pressing "ENTER".
  9.  Press "ENTER" again.
 10.  Use the down arrow to scroll the remaining statistics on the screen.
 11.  Press "CLEAR" to clear the screen.

12.  Press the "STAT" button.
  13.  Use the right arrow to highlight "TESTS".
  14.  Use the down arrow to select "8 TInterval" and press "ENTER".
  15.  Use the right arrow to highlight "Stats" and press "ENTER".

Using the ti-89

1. press Apps

2. press flash Apps

3.stats list editor

4. make the list (put in data)

5. press f7

6. choose 2 t interval

7. choose data

8. type in list name

9. press enter