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Weights
(g)
g.
f
total :#
Formulas
lower CB
Cf
3
799-5
3
1000.5
7
tool -1200
4
129-1400
6
lzw.gl ,
1401 -1600
5
1400.5
18
zz
1601-1800
5
16W .5
1801 -2000
8
1800.5
31
-22009
2h0 -5
40
2201-2400102200-5
Solution
=
Do
6%-01=30
=
Pao
Pao
:
-_
1800.5 1- ( 08751200
1800.51-1175 )
fDk
-10131-(11--24) i
f-
Pk=UBt(÷fg)i
50
:
136=1800.51-13%3200
=
Qk=uBtfk¥ Lcfifi
-
8W -1000
2001
",%s=zo
1600.57120¥ /
136=1975.5
zoo
=/ 600.51-10.47200
Pao -1680.5
-
0,3--34502=37.5
Qz
:
-2000.51-137%-31-1200=2000.51-10-72/200
-
03=2144.94
Interpretations:
Mean: The mean weight of patients is 1760.47 grams
Median: 50% of the patients weighed less than or equal to
1601-1800g and 50% weighed 1601-1800g or more
Mode: The usual weight of patients is 2201-2400 grams
Range: The difference between the highest and lowest
weight is 1601 grams
SD: The Standard Deviation is 444.98, meaning the values
are spread out or not close to the mean
D6/ P60: 60% of patients have weights less than or equal to
1975.5g while 40% have weights greater tan 1975.5g
P40: 40% of patients have weights less than or equal to
1680.5g while 60% have weights greater than 1680.5g
Q3/ P75: 75% of patients have weights less than or equal to
2144.94g while 25% have weights greater than 2144.94g