review for final exam P & S

Question 1

Systolic blood pressure for women aged 45 is 120 with standard deviation = 12. Find the 68% CI

Accepted Answer

108<u<132

Question 2

67% of days in May are sunny. Find the standard deviation of sunny days in May.

Accepted Answer

2.62

Question 3

Which of the following is not a continuous random variable?

Accepted Answer

the years it takes to graduate college

Question 4

The amount of gas in your car(y) and the amount of miles you travel(x) is an example of

Accepted Answer

negative linear correlation

Question 5

Students in physics class took eggs, dropped them,recorded how long they took to fall ...

Accepted Answer

experiment

Question 6

46% of squirrels like walnuts. If you select 4, what is the probability exactly 2 like walnuts?

Accepted Answer

.3702

Question 7

Which is the population: a survey of 650 US adults found that 35% wanted to get a better job.

Accepted Answer

all adults in the US

Question 8

Which of the following could be biased?

Accepted Answer

convenience sampling

Question 9

Neither Mrs. Schab nor Mr. Schneiders knows what student is received ADD medicine, this is

Accepted Answer

an example of double blind study

Question 10

How many ways can 10 books be arranged in order taken 5 at a time?

Accepted Answer

30240

Question 11

Alpha = .02 and your p value is .034, you decide to

Accepted Answer

fail to reject the Ho

Question 12

If I make a type I error, then I ____ the null hypothesis

Accepted Answer

reject

Question 13

You can win if you guess the right answer. If there is 1 winner from 250 entries, your odds are

Accepted Answer

1:249

Question 14

Choose the level of measurement for the following: ages of children enrolled in a school

Accepted Answer

ordinal

Question 15

A graph shows the bell curve with exactly the same data points on the right side as the left.

Accepted Answer

it is symmetrical

Questions 15