exploring data Unit 1

Describing patterns of a distribution

100

What is the acronym used to describe the pattern of a distribution 

SOCS

200

what does SOCS stand for?

Shape Outliers Center spread

300

What is a distribution?

The distribution of a variable tells us what values the variable takes and how often it takes these variables.

400

What are Outliers?

 an individual observation that falls outside the overall pattern of the graph

500

What are the three different shapes of a distribution 

Left skewed, right skewed, and symmetric 

categorical vs quantitative

100

What is categorical variable 

A categorical variable places an individual into one of several groups or categories

200

What is quantitative variable  

A quantitative variable takes numerical values for which arithmetic operations such as adding and averaging make sense.

300

What are the quantitative variables?

Speed, hair color, height, number of pets

Speed and height

400

On Amazon, the following information is available for a book: book price, shipping price, author, publisher, number of pages, number of reviews, and the weight of the book. Which if the following is the correct number of quantitative and categorical variables?

5 quantitative and 2 categorical

500

How many of each variable type are being measured?

Will you be attending college?, what age are you graduating high school at?, what is your gender?, what  is your graduating GPA?, and what is your phone number?

3 categorical variables and 2 quantitative variables

Formulas

100

How do you find  the IQR

Q3-Q1

200

how do you find the outliers 

Q1-1.5(IQR)

Q3-1.5(IQR)

300

how do you find the standard deviation 

s=√Σ(x_i-x)² / n-1

400

How do you find the mean

x̄= x₁+x₂+x₃+...+x_n / n

500

What graphs are used when exploring data 

stem and leaf

box and whisker

histogram

vocab

100

Individuals 

the objects described by a set of data. Individuals may be people, animals or things.

200

side by side bar graph 

A bar graph that compares different groups, in one category, to one another.

300

Unimodal 

A distribution with a single, clearly defined, peak

400

percentile 

The pth percentile of a distribution is the value such that p percent of the observation fall at or below it.

500

Degrees of Freedom

Number of scores that can vary in the calculation of a statistic.

Class trivia

100

What room number is ms wagner 

31

200

What is the highest score you can get on the ap exam

5

300

How many multiple choice were on the ap exam

40

400

What period was ap stats 

7th

500

What was Mrs. Wagners first surgery of the year? 

Jaw surgery