Maths Bio

Question 1

1m to mm

Answer 1

1000mm

Question 2

1cm to mm

Answer 2

10mm

Question 3

1mm to um

Answer 3

1000um

Question 4

1um to nm

Answer 4

1000nm

Question 5

Bigger to smaller Units

Answer 5

Multiply by conversion factor

Question 6

Smaller to bigger

Answer 6

Divide by conversion factor

Question 7

1m^2

Answer 7

1000x1000= 1000000 so conversion factor is this

Question 8

One m^3

Answer 8

1000x1000x1000= 1000000000 mm^3

Question 9

what variable should be on x axis

Answer 9

independent

Question 10

line graphs

Answer 10

when both variables are quantative
show trends such as how things change over time
mostly data has been manipulated by the investigator excption is time
use rule to join points together

Question 11

scattergrams

Answer 11

these graphs are useful for shwing if a correlation exiss between two variables
for scatter graphs ita moslty when its not possible to alter either od the variables
dont join the point on scattergraph

Question 12

p value

Answer 12

number describing how likely it id that your data would have ocurred by random chance - null hypothesis is true
the level of statitical signifivane is often expressed as a p value between 0 and 1
the smaller the p value the strongefr the evidence that you should reject the null hypothesis

Question 13

spearmans rank

Answer 13

looking for associations/correlations

Question 14

t test

Answer 14

difference in means

Question 15

chi squared

Answer 15

frequency count