Bio Lab

Question 1

What are descriptive characteristics in Biostatistics?

Answer 1

1. mean
2. median
3. standard deviation

Question 2

Which descriptive characteristics will be used in the results section?

Answer 2

mean and standard deviation

Question 3

Which descriptive characteristics will be used in the graph?

Answer 3

mean and standard error

Question 4

What is a discrete variable?

Answer 4

variable that is categorical

Question 5

What is the continuous variable?

Answer 5

variable that range

Question 6

the null hypothesis (HO)

Answer 6

opposite from hypothesis

Question 7

What variable goes on the x-axis?

Answer 7

the independent variable

Question 8

if p>0.05 we ____________

Answer 8

support H0 and reject H1

Question 9

if p<0.05 we _____________

Answer 9

reject H0 and support H1

Question 10

hypothesis are written in

Answer 10

If then Statements

Question 11

What is the difference between a prediction and a hypothesis?

Answer 11

a hypothesis is more direct and can lead to more predictions

Question 12

How do you write a CSE

Answer 12

author, year, article title, journal title, volume number, issue number, pages Au+YAt+J+VIP

Question 13

If you think you know the outcome use a

Answer 13

one tailed

Question 14

If youre unsure of the outcome use a

Answer 14

two tailed

Question 15

Independent V

Answer 15

V that is changed. “I” change it (light)

Question 16

Dependent V

Answer 16

V that is being tested (if moth is attracted to light)

Question 17

what does DRY MIX stand for?

Answer 17

D-Dpendent V
R-responding V
Y-y axis

M-Manipulated V
I-Independent V
X-x axis

Question 18

Write a results statement (shells and weight in Gen bio 2)

Answer 18

In our classroom the average weight (thing studied) of shells A (weight+/- SD)was (what happened) higher than the average weight of shells b (+/- SD) in general bio 2. (t value, #shells a, #shells b, p value)

Question 19

what is the purpose of descriptive statistics?

Answer 19

summarises data–doesn’t tell you if it is significant or not

Question 20

what is the purpose of inferential statistics?

Answer 20

determine if 2 populations are significantly different or not

Question 21

what is the hardy-weinberg equation for genotype frequency?

Answer 21

p2+2 pq+q2=1

Question 22

what is the hardy-weinberg equation for allele frequency?

Answer 22

p+q=1