×

### Let's log you in.

or

Don't have a StudySoup account? Create one here!

×

or

## APPLICATIONS OF STATISTICS

by: Verdie Hauck PhD

20

0

2

# APPLICATIONS OF STATISTICS STAT 314

Verdie Hauck PhD
Virginia Commonwealth University
GPA 3.55

S. Street

These notes were just uploaded, and will be ready to view shortly.

Either way, we'll remind you when they're ready :)

Get a free preview of these Notes, just enter your email below.

×
Unlock Preview

COURSE
PROF.
S. Street
TYPE
Class Notes
PAGES
2
WORDS
KARMA
25 ?

## Popular in Statistics

This 2 page Class Notes was uploaded by Verdie Hauck PhD on Wednesday October 28, 2015. The Class Notes belongs to STAT 314 at Virginia Commonwealth University taught by S. Street in Fall. Since its upload, it has received 20 views. For similar materials see /class/230672/stat-314-virginia-commonwealth-university in Statistics at Virginia Commonwealth University.

×

## Reviews for APPLICATIONS OF STATISTICS

×

×

### What is Karma?

#### You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 10/28/15
One Proportion ZTests in SPSS STAT 314 A certain soft drink bottler claims that less than 20 of its customers drink another brand of soft drink on a regular basis A random sample of 100 customers yielded 18 who did in fact drink another brand of soft drink on a regular basis Do these sample results support the bottler39s claim Use a leVel of significance of 005 Enter the category Values Brand of Drink lother brand 2same brand into one Variable and the observed counts other brand18 same brand82 into another Variable see le gure below Then weight the category Values Variable by the observed counts Variable see two right gures below w Data Iranxmrm Analyze anDatzx 0 Dn nntwelqht case weight case by I 4L 1 mm mm 1 same mm 32 Sun a Iranxpnxz Frznuencyvarlahlz MME FIIES gcnunumunq qr ate urrzntStatux Welqhtcaxeshycnunt 2 Select Analyze 9 Nonparametric Tests 9 ChiASquare see le gure below E Select quotBrand of Drinkquot as the test Variable and enter the Values for the null hypothesis proportions in numerical order by category Value ie Pother brand 020 then Psame brand 080 see right gure below Cnunllcnunll Expulznnanqa zm mum 7 9 6211mm data 0 All catEanIE Equal Ouxexuecmenranqz Valm vwzl39 W E Levene s T est for Equality of Variances Levene s T est for Homogeneity of Variances Levene s Test A homogeneityofvariance test that is less dependent on the assumption of normality than most tests For each case it computes the absolute difference between the value of that case and its cell mean and performs a oneway analysis of variance on those differences Assumptions 1 The samples from the populations under consideration are independent 2 The populations under consideration are approximately normally distributed Checking the assumptions Assumption I 39 Be sure that the samples were taken independently of one another Assumption 2 Construct sidebyside boxplots or Q Q plots by treatment to assess normality Notation OneWay ANOVA t number of treatments t k for oneway ANOVA t kl for twoway ANOVA yij 2 sample observationj from treatment i j l 2 ni and i l 2 t n i number of observations from treatment i at least one ni must be 3 or more N 2 n1 n2 nr 2 total number of pieces of data overall size of combined samples a mean of sample data from treatment i Dij lyij 3 2 absolute deviation of observation j from treatment i mean 5 average of the ni absolute deviations from treatment i 5 average of all N absolute deviations Note At least one of the treatments must have 3 or more observations or else the Levene s statistic will be undefined the denominator will equal zero if each treatment has 1 or 2 observations

×

×

### BOOM! Enjoy Your Free Notes!

×

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

## Why people love StudySoup

Jim McGreen Ohio University

#### "Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

Amaris Trozzo George Washington University

#### "I made \$350 in just two days after posting my first study guide."

Jim McGreen Ohio University

#### "Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

Parker Thompson 500 Startups

#### "It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!
×

### Refund Policy

#### STUDYSOUP CANCELLATION POLICY

All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email support@studysoup.com

#### STUDYSOUP REFUND POLICY

StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here: support@studysoup.com

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to support@studysoup.com