12.1 12.4 REVIEW STAATS

Question 1

In a random survey of 2645 people, 12% said that hockey is their favorite sport. What is the margin of sampling error?

Accepted Answer

+/- 1/(square root of 2645), +/- 1.9%

Question 2

The receptionist that took over for Pam in THE OFFICE...what is her real name?

Accepted Answer

Kelly

Question 3

Used to collect information about a population

Accepted Answer

sample, experiment

Question 4

Find the probability.

Accepted Answer

120/720, 0.16

Question 5

Two events are related either positively or negatively.

Accepted Answer

correlation

Question 6

Two quarters are flipped. What is the probability that they are both heads?

Accepted Answer

1/4

Question 7

Survey, Observational Study, or Experiment? Find 100 students, half with jobs and compare their GPA.

Accepted Answer

observational study

Question 8

Which formula is used to find the number of ways r amount of items can be chosen from n, when order does not matter?

Accepted Answer

combination

Question 9

Who is Mrs. Ryks favorite artist?

Accepted Answer

Pink

Question 10

How many ways can someone flip a coin and roll two dice?

Accepted Answer

72

Question 11

How many ways are there to create a 3 digit number if repeat digits can be used? (using digits 0-9)

Accepted Answer

10x10x10

Question 12

Vocab: individuals are observed and no attempt is made to influence the results

Accepted Answer

observational study

Question 13

Population or Sample? The field hockey team wants to compare their scoring average with everyone else in the league.

Accepted Answer

population

Question 14

Vocab: a distribution where all of the probabilities are the same.

Accepted Answer

uniform distribution

Question 15

Population or Sample? Jarred conducts an online survey on skin disease.

Accepted Answer

sample

Question 16

In a pick 4 lottery, you pick 4 numbers from 1-5. Repeats are allowed and order matters. How many ways can you win?

Accepted Answer

256 different winning numbers

Question 17

Vocab: the set of all possible outcomes of an experiment.

Accepted Answer

sample space

Question 18

Would it produce a random sample? Every 10th shopper coming out of hardware store is asked about satisfaction w/ store.

Accepted Answer

YES

Question 19

Vocab: something that is intentionally done to people, animals, or objects, and then the response is observed.

Accepted Answer

experiment

Question 20

Vocab: a sample or survey in which one or more parts of the population are favored over others

Accepted Answer

biased

Question 21

mean, median, mode, standard deviation

Accepted Answer

measures of central tendency

Question 22

How many different ways are there to rearrange the letters in the word GETTYSBURG

Accepted Answer

907,200

Question 23

Name the group.

Accepted Answer

Red Hot Chili Pepper

Question 24

Which formula is used to find the number of ways r amount of items can be chosen from n, when order matters?

Accepted Answer

permutation

Question 25

A measure that describes a characteristic of a sample

Accepted Answer

statistic

Question 26

A group of people given the placebo in an experiment.

Accepted Answer

Control Group

Question 27

A measure that describes a characteristic of a population

Accepted Answer

parameter

Question 28

Who sings this song?

Accepted Answer

Evanescence

Question 29

Vocab: an entire group of living things or objects

Accepted Answer

population

Question 30

The value of empirical probability will be closer to the theoretical probability with the more samples taken.

Accepted Answer

Law of Large Numbers

Question 31

when a sample is random, or not based on any predetermined characteristics of the population

Accepted Answer

Unbiased

Question 32

Name that song

Accepted Answer

Who Knew

Question 33

a measure that describes the spread of data related to the mean.

Accepted Answer

standard deviation, variance

Question 34

How many ways are there to create a 3 digit number if no repeated digits can be used? (using digits 0-9)

Accepted Answer

10x9x8, 10P3

Question 35

Find the expected value in a game that has three prize possibilities.

Accepted Answer

$362.50

Question 36

Who sings this song?

Accepted Answer

Red Hot Chili Pepper

12.1 12.4 REVIEW STAATS

Questions 36

12.1 12.4 REVIEW STAATS

Questions 36