HP 12C Financial calculator - Manual (Page 78)

78 Section 6: Statistics Functions
File name: hp 12c_user's guide_English_HDPMBF12E44 Page: 78 of 209
Printered Date: 2005/7/29 Dimension: 14.8 cm x 21 cm
Salesperson Hours/Week Hours/Week
1 32 $17,000
2 40 $25,000
3 45 $26,000
4 40 $20,000
5 38 $21,000
6 50 $28,000
7 35 $15,000
To find the average workweek and sales of this sample:
Keystrokes Display
fCLEAR² 0.00 Clears statistics registers.
32\
17000_ 32.00
1.00
First entry.
40\
25000_ 40.00
2.00
Second entry.
45\
26000_ 45.00
3.00
Third entry.
40\
20000_ 40.00
4.00
Fourth entry.
38\
21000_ 38.00
5.00
Fifth entry.
50\
28000_ 50.00
6.00
Sixth entry.
35\
15000_ 35.00
7.00
Total number of entries in the
sample.
gÖ 21,714.29
Mean dollar sales per month ( x ).
~ 40.00
Mean workweek in hours ( y ).