Data_Management_Review2.ppt

Data

One Variable Statistics

Describe the

distribution

One Variable Statistics

What is the

median of

the 25

One Variable Statistics

Which measure can have

the minimum value?

A) IQR B) Median

C) Range

One Variable Statistics

What is the

IQR of the

following

data set?

Number

0 2 4 6 8 10 12 14 Collection 1 Box Plot

0 10 20 30 40 50 60 70 80 90 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr East West North Number

3 4 5 6 7 8 9 10 11 12 13

One Variable Statistics

Rank the

mean

median and

mode in

One Variable Statistics--Bonus

Name this person.

Probability

What is the

probability

of rolling a

total of 9

Probability

It is known that 12% of people step up stairs with their left foot first. Ten people approach a stairway. What is the probability

Probability

There are twenty

identical sized balls in a hat. Eight are red, five are green, the rest are blue. You

begin removing them one at a time. What is the probability the third ball removed is the first blue one

Probability

A contestant pays $1

to play a FAIR game.

Probability

The probability of event A and B

occurring together is 0.24 and the

probability of A occurring, given

that B has occurred is 0.4 . Determine P(A) or P(B)

Probability--BONUS

Two Variable Statistics

Based on the

residual plot,

is the line of

best fit

appropriate

for the

Two Variable Statistics

Which is the correct coefficient of

correlation? A) r = 0 B) r = 0.3

C) r= 0.9 D) r = -0.3

Two Variable Statistics

What type of

regression should

be applied to

Two Variable Statistics

Based on the following graphs, which statement is true?

a. the sale of cars is increasing faster than the sale of minivans b. there are more minivans sold than cars

Two Variable Statistics

The following graph

is showing a

relationship

between which

types

of

variables?

0 2 4 6 8 10 12 14 16 18 How _do_you_feel_about_school 1. I ha te s ch oo l 2. I do n-t l ik e sc ho ol v er y m uc h 3. I lik e sc ho ol a b it 4. I lik e sc ho ol q ui te a b it 5. I lik e sc ho ol v er y m uc h

Two Variable Statistics--Bonus

Normal Distribution

Normal Distribution

The following

graph is a N(0, 1)

curve that has

Normal Distribution

In the US there is a new

writing component

being piloted for their

SATs. The mean was

510 and the standard

deviation 106. A

student scored 625,

Normal Distribution

The LDL cholesterol level is normally distributed with

parameters µ = 4.8 and sigma = 0.6. A person has

some risk of heart disease if their LDL cholesterol level is above 5.6. What

proportion of the

Normal Distribution

A dial controls how

much flour is added to each sack. The bags are filled with a

standard deviation of 0.5 lbs. Where should the dial be set so that 97% of the sacks

Normal Distribution—Bonus

Terms

and

Terms and Statistical Ideas

This type of

sample includes

proportionate

Terms and Statistical Ideas

This type of bias

occurs when

survey forms

Terms and Statistical Ideas

The type of question.

I find Data Management class to be the most exciting part of my day.

 Very Strongly Agree

 Strongly Agree

Terms and Statistical Ideas

A variable that is

clearly effecting

two other

quantities,

making them

appear correlated,

is called this.

Terms and Statistical Ideas

Which of these (very accurate) descriptions of Mr. Pignat is categorical ordinal.

A) University graduate B) 175 pounds

C) Extremely intelligent and good looking

Terms and Statistical Ideas

Counting I

A basketball team has

twelve players

standing for the

Counting I

A committee of 5

people must be

chosen from a class

of 25 with 10

females and 15

males. How many

committees contain

exactly 2 male

Counting I

How many

arrangements

are there of the

word

GENIUS

Counting I

How many 13 card

bridge hands,

with exactly three

spades, the King

of clubs, and no

diamonds can be

dealt from a deck

Counting I

Counting I--Bonus

Sets

If n(S) = 47, how

many items are

not in

(A



B



C



D)?

Sets

When selecting

from S, with

n(S) = 47, what

is P(A



B)?

Sets

What is P(D|C)?

A

B

C

D

5

6 1

3

2 3 3

4 2

Sets--BONUS

Counting II

How many

4-letter words

can be made if

there are no

Counting II

How many four

letter words

can be made

Counting II

How many

arrangements

are there of

the word

Counting II

How many 3 letter

arrangements are

there from the

letters

MANAGEMENT

if

the word must start

with an ‘M’ and

Counting II

How many 3 letter

arrangements are

there from the

letters

MANAGEMENT

if there are no

repeated letters?

M

Counting II--Bonus

One is a perfect

square

1 = 1

2

and a perfect cube

1 = 1

3

Solutions

One Variable

Statistics Probability

Two Variable

Statistics Normal

Left skew No Right

71 (0.88)10 _{+ 10(0.88)}9_(0.12)

E 0.835 u2

B (can be neg.) _{Exp/Quad 1.08}

3 $1.3 C 9.18%

Mean < Median < Mode

P(B) = 0.6 16.6% 50.94 kg

Heidi Montag, Spencer Pratt _{Gregory House}

Carl Cosmo Kramer

Solutions

Terms and Statistical

Ideas Counting I Sets Counting II

Stratified Sample _{12! =}

479001600 Venn Diagram 264 = 456976 Non response bias

B & C 4! = 24

Rating Question _{5*5!=600 9}

Common

Response 5

A ₆P₃ = 120

Solutions

One Variable

Statistics Probability

Two Variable

Solutions

Terms and Statistical