stats

Question 1

t test

Answer 1

for continuous normally distributed data (mean)
compare 2 pieces of data find if difference is sigificant

Question 1

t test degrees of freedom

Answer 1

(n1-1)+(n2-1)

Question 2

if calculated value is larger than critical value, nulls hypothesis is

Answer 2

rejected

Question 3

standard error overlaps

Answer 3

values are not significnatly different

Question 4

chi squared

Answer 4

compare observed and expected frequencies and find if difference is significant

Question 5

chi squared degrees of freedom

Answer 5

nocatgroies-1

Question 6

spearmans value

Answer 6

correlation
diff measurement of sam sample

Question 7

continuous variation

Answer 7

quantitative differences in phenotype of individuals
do not fall into discrete groups
environment has direct effect
different alleles at locus has small effect
diff genes have same additive effect

Question 8

discontinuous variation

Answer 8

qualitative differences in phenotype of individuals
discrete and distinguishable catagories like blood group
environment has no direct effect
different alleles at locus has small effect
diff genes have same additive effect