extraa

Question 1

What is log base 2 of 2

Answer 1

1

Question 1

What else can effect correlation

Answer 1

Third variable

Question 2

For H0, what do you say if you have worked out the prob compared to where they give you prob

Answer 2

If you have worked out prob then say binomial is suitable if not state the specific distribution with n and p

Question 3

etan(incoming) =

Answer 3

tan outgoing

Question 4

For expected values they give you should you use their dp or exact values

Answer 4

Their decimal places

Question 5

What does a smooth wall mean

Answer 5

Momentum acts parallel

Question 6

What do you do with p value for two tail if only one side calc

Answer 6

Double it

Question 7

How can you show cosh tends to infinity

Answer 7

Put it into e

Question 8

When can you use chain rule

Answer 8

Only when you divide by a constant ( not like x ) original thing has to be linear

Question 9

Important FORMULA

Answer 9

Quadratic formula

Question 10

When can you not integrate using normal

Answer 10

When it is r+10 + dt as has to be times dt

Question 11

When something is tending to infinity

Answer 11

Divide by x or x squared…

Question 12

Integrate ln x

Answer 12

Parts

Question 13

Can you integrate circles

Answer 13

Yes

Question 14

What do you need to remember to do for inverse

Answer 14

Divide by determinent

Question 15

Special thing about cos

Answer 15

remember that cos of -pie = -1 and cos of pieie = -1 cos can be neg or pos so if you want first time, sometimes go for neg

Question 16

log(2)-1

Answer 16

1/log2

Question 17

H0 two way

Answer 17

No association so if it exceeds critical value then there is an assocation

Question 18

H0 gof

Answer 18

Suitable so if exceeds critical value then not suitable

Question 19

Do you need continuouty correction for normal aprox of binomial mean

Answer 19

No as it is mean

Question 20

Why do you take away 1 dof

Answer 20

base constraint for table is all totals add to 173

Question 21

How do you show 2 lines are on same plane

Answer 21

Show they intersect at a point

Question 22

Solve two and

Answer 22

Check in the third

Question 23

When is an integral improper

Answer 23

Wehn one limited is plus minus infiniuty or undefined at any point