ap stats

Question 1

what is stats

Answer 1

the study variability

Question 2

variability

Answer 2

how things differ

Question 3

what are the 2 branches of AP stats

Answer 3

inferential and descriptive

Question 4

inferential

Answer 4

using a small sample to tell about the whole thing

Question 5

descriptive

Answer 5

describe the data

Question 6

compare inferential and descriptive

Answer 6

one describes while the other uses the data

Question 7

data

Answer 7

any collected information

Question 8

population

Answer 8

the group you’re interested in

Question 9

sample

Answer 9

a subset of a popluation

Question 10

compare population and ssmple

Answer 10

we take samples to find data for the population

Question 11

compare data and stats

Answer 11

use the data to make a stat

Question 12

parameter

Answer 12

a numerical summery of a popluation

Question 13

a statistic

Answer 13

a numerical summery of a sample

Question 14

census

Answer 14

sample of an entire population

Question 15

if i take a random sample of 20 burgers from FIVE GUYS and count the number of pickles on a bunch of them… and one of them had 9 pickles, then the number 9 from that burger would be called

Answer 15

a datum, or a data value

Question 16

if i take a random sample 20 hamburgers from FIVE GUYS and count the number of pickles on a bunch of them… and the average number of pickles was 9.5 then 9.5 is considered a

Answer 16

statistic

Question 17

if i take a random sample 20 hamburgers from FIVE GUYS and count the number of pickles on a bunch of them… and i do this because i want to know the true average number of pickles on a burger at FIVE GUYS, the true average number of pickles is considered

Answer 17

parameter

Question 18

difference between a sample and cencus

Answer 18

sample is small part while census is the whole,

Question 19

use the words population, parameter, census, sample, data, statistics, inference, population of interest.

Answer 19

i was curious about a population parameter, but a census was too costly so i decided to choose a sample, collect some data, calculate a statistic and use that statistic to make an inference about the population parameter

Question 20

the flavor of each individual thing in the spoon is the_, the entire spoon is the__, the flavor of all of that stuff together is like the_, and you use that to the entire pot of soup, which would be the __.

Answer 20

data, sample, stat, make an inference, parameter.

Question 21

random variables

Answer 21

random chosen things

Question 22

difference between quantitative and categorical variables

Answer 22

numerical vs catigorical

Question 23

quantitative variable

Answer 23

numerical variable

Question 24

categorical variable

Answer 24

like catigories

Question 25

another name for categorical variable

Answer 25

qualitative

Question 26

quantitative data

Answer 26

actual numbers from gathered from subjects

Question 27

categorical data

Answer 27

individual category from a subject

Question 28

random sample

Answer 28

random, like rolling dice

Question 29

frequency

Answer 29

how often something comes up

Question 30

data or datum

Answer 30

table or chart that shows how often certain values or categories occur in a data set.

Question 31

relative frequency

Answer 31

the percent of time something comes up

Question 32

how do you find relative frequncey

Answer 32

divide frequency by total

Question 33

what is meant by cumulative frequency

Answer 33

add the frequency's as you

Question 34

relative cumulative frequency

Answer 34

addded up percentages

Question 35

differences of chart and histogram

Answer 35

categorical data vs quantitative

Question 36

mean

Answer 36

average used to calculate

Question 37

symbols used for poplulation mean and sample mean

Answer 37

Mu and x-bar

Question 38

how to know mean vs median on histogram

Answer 38

balancing point vs the middle

Question 39

what is the median

Answer 39

middle number

Question 40

mode

Answer 40

most common number

Question 41

when do we use mode

Answer 41

with categorical variables

Question 42

why not always use mean

Answer 42

its not resilient

Question 43

when saying the average teen what are we talking about

Answer 43

depends on the stat

Question 44

how are mean, median, and mode positioned in a histogram skewed left

Answer 44

goes from left to right

Question 45

how are mean, median, and mode positioned in a histogram skewed righ

Answer 45

right to left

Question 46

who chases the tail

Answer 46

the mean chases the tail