Unit 4 Review

Question 1

WHO ARE THESE PEOPLE

Accepted Answer

Charlemagne, BERENSTAIN BEARS

Question 2

Say you get a Z-score of 1.6 and you want to find the chance of an event BIGGER than this

Accepted Answer

.05

Question 3

You are sampling 100 people and 73% say they like In N Out. What is the standard error here?

Accepted Answer

.04

Question 4

A poll says 63% of people like McDonalds fries. n=105, what is the ME? (95% confidence)

Accepted Answer

9%

Question 5

What Z* value do we use for 95% confidence?

Accepted Answer

1.96

Question 6

A poll says that 37% approve of Marco Rubio (R-FL). In a poll of 300, what is the SE?

Accepted Answer

.03

Question 7

Which of these art periods come first?

Accepted Answer

Ottonian

Question 8

What is standard error?

Accepted Answer

SD of the sampling distribution

Question 9

Mesopotamia was approximately in what modern day country?

Accepted Answer

Iraq

Question 10

Which of these symbols means a problem is about proportions?

Accepted Answer

%

Question 11

Which of these is the standard error formula for proportions?

Accepted Answer

sqrt(pq/n)

Question 12

P-hat is .33, p is .40 and the SE is .06. What is the Z-score?

Accepted Answer

1.17

Questions 12