Go on. Explore!

lvl 0 • 0 xp

lvl 1

Home Market Decks Interests

Algebra

memorize.ai (lvl 286)

(0)

24 cards

()

Section 1

Preview this deck

survey

Front

1 / 24

Algebra Math

0.0

0 reviews

5			0
4			0
3			0
2			0
1			0

Active users

All-time users

Favorites

Last updated

6 years ago

Date created

Mar 1, 2020

Cards (24)

Section 1

(24 cards)

survey

Front

collects data about characteristics of a population (factual)

Back

-2 to 2 represents what percent of the data

Front

95%

Back

-3 to -2 and 3 to 2, equal what on the normal curve

Front

2.35%

Back

random sampling

Front

each individual in the population has an equal likelihood of being picked (no bias)

Back

polynomial

Front

x3

Back

Interquartile range

Front

Q3 - Q1

Back

outlier

Front

any number more than 1.5 x IQR or below Q1

Back

steps in finding standard devation

Front

1. put data in table 2. find the mean 3. subtract the mean from the data 4. square the answer from 3 5. find the mean of 4 6. square root 5

Back

-1 to 0 and 1 to 0, equal what on the normal curve

Front

34%

Back

clustered sampling

Front

used when "natural" but relatively same grouping are evidence in a population 1.divided into small groups 2. random sampling is used to choose one of the groups 3.then the chosen group goes through random selection

Back

high devation

Front

when the spread is big and spread is around the mean

Back

law of large numbers

Front

states that the variation in the data set decreases as the sample size increases

Back

systematic sampling

Front

samples members from large population and selects according to random starting point and fixed periodic interval 1.one is chosen at random or by designing the start point 2.the rest are chosen by every nth time until all needs are met

Back

what two pieces do you need to represent the data in a normal curve

Front

standard devation and mean

Back

polls

Front

Interviews participates to collect specific answers

Back

low devation

Front

when the spread is small and us grouped closer to the mean

Back

-3 to 3 represents what percent of the data

Front

99.7%

Back

-1 to 1 represents what percent of the data

Front

68%

Back

how to find the standard devation on the calculator

Front

menu> stats> "enter data under list 1"> F2 (cal)> F1 (1var)

Back

questionnaires

Front

much broader and more open ended (opinions) (Cant ask factual questions)

Back

linear

Front

x

Back

Quadratics

Front

x2

Back

stratified sampling

Front

mini-reproduction of population 1.population is divided into characteristic of importance for the research 2.randomly sampled within each category

Back

-2 to -1 and 2 to 1, equal what on the normal curve

Front

13.5%

Back