The equation below for the sample variance is not necessarily the
easiest way to compute the sample variance (and hence standard
deviation) by hand.
y
(
n
( i y )2
i=1
n1
2
s =
]
Where n is the sample size, and yi are the particular observations, and
y
i

My book summary :
Ch1:Statistics : study of methods to describe and measure aspects of nature from samples
( estimation )
Estimation : affirming an unknown quantity of population using sample data.
Parameter; quantity describing a population where as an e

Problem set #1
1) Ensure that you are able to access the statistical program, SAS, at the university
"acadlabs". You will need to login using your PASSPORT YORK username and
password, so make sure you know what those are. If you have forgotten, I suppose

Problem set #1
1)
Either type or cut-and-past this SAS program into the SAS
program editor. Click on the "running person" icon at the
top menu of SAS, and the program should run successfully.
DATA CELLPHONE;
INPUT GENDER $ WEIGHT;
CARDS;
M 12
M 14
M 10
M

BIOL 2060 PROBLEM SET 2
1. For each data set below, determine each of the following by hand using a simple nonprogrammable calculator . Note that during your tests and exams you will only be
allowed to use a simple non-programmable calculator so you must