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# Forum: Statistics

Statistics course and homework discussion. Elementary statistics.

1. ### Sticky: Forum Guidelines: Smart posting behavior pays off

Welcome to talkstats.com, the place for statistics help. This is a guideline for people who want to ask a question on this forum and value a...

• Replies: 1
• Views: 196,719
07-16-2014, 11:01 AM
2. ### Sticky: We only provide homework help to those who show effort

Welcome to Talk Stats Forum. In order to keep homework help effective and efficient, we request all members to abide by these guidelines: 1)...

• Replies: 0
• Views: 66,733
09-30-2005, 09:44 AM
1. ### Am I on the right track?

I am looking at treatment success and failure in a sample of depressed children. So far, I have coded the success and failure groups with 1 and 2...

• Replies: 0
• Views: 1,712
11-22-2008, 05:47 PM
2. ### Am I using Chi-square appropriately for eating/not-eating in three treatment groups?

I wish to analyse animal behaviour. classifying behaviour into eating and not-eating, for which I have observed each animal every minute for two...

• Replies: 2
• Views: 1,273
01-24-2013, 11:19 AM
3. ### Am I using T-Test correctly?

I am sampling small group of 11 people. I am trying to see the effect of changing one factor in the test. I sampled the 11 people before the change...

• Replies: 3
• Views: 2,496
11-23-2008, 05:36 AM
4. ### Am I using the correct test?

• Replies: 0
• Views: 2,022
07-30-2012, 04:26 PM
5. ### Am I using the right model and how to deal with missing values in a SPSS GLMM

Dear all, I hope I will find somebody here who can help me a bit with my SPSS problems. I have a relatively complex dataset that comes from an...

• Replies: 0
• Views: 1,281
03-07-2016, 11:27 AM
6. ### am i using the right stats?

Hi! i'm studying for a MSc in Ecology and i'm just trying to write up my dissertation project. Problem is i've thought myself round in circles...

• Replies: 1
• Views: 3,675
09-03-2007, 10:29 AM
7. ### Am I using the right tests for my data set (correlation, multiple regression, ANCOVA)

So I'm doing a study where I'm looking at what foraging habitats different fish associate with. I'm interested in seeing if foraging surface (i.e....

• Replies: 3
• Views: 1,711
03-19-2015, 07:35 AM
8. ### amateur question

Hi, I'm totally new to statistics. Here's my question: Is there any difference between the mean value of men's length and women's?How can I...

• Replies: 6
• Views: 2,658
02-07-2009, 04:11 PM
9. ### Amateur question on power

Hi guys, Im a complete amateur at statistics. Ive been asked to review a trial: ...

• Replies: 3
• Views: 2,367
10-28-2011, 03:27 PM
10. ### Ambiguous problem on hypothesis testing, need help

This is one of the questions in my homework: It is claimed that a car is driven on the average less than 20,000 kilometers per year. To test this...

• Replies: 2
• Views: 1,926
03-03-2013, 12:17 PM
11. ### Ambiguous question in homework...

Hi All, I just wanted to probe this board before I went to the TA, as class just started and I don't want to be *that* guy. Anyway, I have an...

• Replies: 0
• Views: 1,953
09-28-2013, 04:43 PM
12. ### Amchem's Tax Credit case study - stuck in a rut

Hello everyone, and first of all thank you for taking the time to read this. I am a student in a Management postgraduate program and during our...

• Replies: 1
• Views: 3,301
12-12-2012, 03:34 AM
13. ### Amortization and Depreciation question

Hello, All! :) I am new to this forum but have begun some mathematic fun so I very well may become a regular :) I have a question regarding...

• Replies: 1
• Views: 2,168
03-26-2010, 10:36 PM
14. ### AMOS - fit indices for nonnormal data

Dear all, I've am struggling on a CFA in AMOS conducted on multivariate nonnormal data. I want to identify the factorial structure that best...

• Replies: 3
• Views: 8,942
10-30-2012, 08:04 AM
15. ### AMOS 7.0 Graduate Student Version

Hello everybody. I want to download AMOS 7.0 Graduate Student Version but I can not find it anywhere. Can anyone help me?

• Replies: 0
• Views: 1,782
05-20-2014, 01:47 PM
16. ### An article

Hi all. Hope everyone is great. I must find Raykovs' (1997) article whichs name is ''Estimation of composite reliability for congeneric measure''. I...

• Replies: 0
• Views: 1,143
09-01-2015, 07:26 AM
17. ### An Exercise of noncentral [math]\chi^2[\math] distribution.

Let Y_1,\ldots,Y_n be independent random variables with Y_k distributed as N\sim(a_k,\sigma^2) , and \bar Y=\sum_{k=1}^{n}\frac{Y_k}{n} denote the...

• Replies: 0
• Views: 1,183
06-21-2013, 09:20 PM
18. ### An extremely dastardly ANOVA

Hi all, a problem here. I am running an ANOVA analysis on unequal sized groups with non normally distributed variables (fine, eh? :D). Suppose...

• Replies: 6
• Views: 3,746
06-15-2010, 02:18 PM
19. ### An Income Statement deficit

If I don't charge for any purchases, but I pay for everything during the year, why do I get a negative number (deficit) when I run an Income...

• Replies: 1
• Views: 1,124
03-26-2015, 09:39 PM
20. ### An interesting Bayesian question

Suppose a random sample of size n is from uniform distribution U(0, exp(gamma)), suppose the prior distribution of gamma is N(a, b), how to find the...

• Replies: 0
• Views: 1,696
05-02-2007, 12:05 AM
21. ### An intro to correlation and causality

For those who don't know, I'm a big fan of Salman Khan (www.khanacademy.org) and his effort in providing free quality education. I came across...

• Replies: 2
• Views: 2,794
08-19-2011, 01:11 PM
22. ### An opinion poll

Is this the correct answer? An opinion poll asks 1500 randomly chosen United States residents their opinions about relations with the nations of...

• Replies: 1
• Views: 3,264
01-16-2006, 09:57 AM
23. ### Analog to Binomial test without number of trials and number of successes

Hi all, I have the following problem. Assume an experiment with k possible outcomes and a null hypothesis that states that the probability of each...

• Replies: 3
• Views: 3,211
BGM
06-03-2011, 10:46 AM
24. ### analogue of the Wilcoxon signed rank test for Circular Statistics

Hello everybody I am searching for an analogue of the Wilcoxon signed rank test for Circular Statistics. Does anybody know such a test?

• Replies: 0
• Views: 2,479
08-01-2011, 07:58 AM
25. ### Analyse data with help of statistical techniques

I need to analyse the data on job satisfaction. I have used the likert scale. Need to know which statistical technique I can use. Does anyone have a...

• Replies: 0
• Views: 2,354
05-25-2011, 06:46 AM
26. ### Analyse test for heteroskedasticity

Hello I am working on a little statistic research and I am not sure how to interpret these datas. I have a multiple regression with 3 exogene...

• Replies: 0
• Views: 971
05-20-2016, 01:47 AM
27. ### Analysing "consistency"

Dear Statistics People, I have a problem. I wish to track the pitch of a waveform which should be simple. I need to know if I have a waveform...

• Replies: 0
• Views: 1,992
04-23-2010, 10:56 AM
28. ### Analysing a discrete variable - how valid is it?

Hi I'm trying to work out how best to analyze a set of data for an assignment and would appreciate any thoughts. There are two variables - smoking...

• Replies: 1
• Views: 2,476
04-13-2010, 10:15 AM
29. ### Analysing a rank order

Hi all, I am a doctor who have absolutely close to 0 knowledge about statistics. Here is my problem, Imagine a situation where 1000 students...

• Replies: 2
• Views: 1,880
10-16-2014, 10:03 AM
30. ### Analysing an interstellar colony

Hi, This is really easy stuff for all the stats wizards here, but I'd really appreciate some help please. :yup: Suppose there's a colony of...

• Replies: 6
• Views: 3,198
02-07-2006, 07:59 AM
31. ### Analysing data from a Likert Scale

I'm analyising responses from a Likert scale based question and have the answers: 1 - Strongly agree 2 - tend to agree 3 - neither agree nor...

• Replies: 3
• Views: 5,145
08-29-2011, 11:18 AM
32. ### Analysing data in two different ways: ANOVA with t-test?

Hi guys, I'm analysing some data I have for my thesis, and need some advice on how to do it. I'm studying diabetes tissue, and I have 4 groups:...

• Replies: 3
• Views: 4,902
03-27-2011, 01:41 AM
33. ### analysing for two factors with different levels

Hi, I need some advice/suggestions on analysis of data: There are two factors, temperature and humidity. Temperature has 4 levels, humidity has...

• Replies: 1
• Views: 2,980
12-05-2009, 11:32 AM
34. ### Analysing interactions

I have a 2x2x3 design, with two between-participants factors (goal specificity and interactivity) and one repeated-measures factor (difficulty). I...

• Replies: 0
• Views: 1,983
08-22-2010, 08:15 AM
35. ### Analysing likert scale items

I am comparing youth attitudes towards agriculture as a career using participants and non participants of vocational agriculture training centers. I...

• Replies: 1
• Views: 2,810
08-22-2011, 07:03 PM
36. ### Analysing multiple group scores on likert scale

Hi all, Long-time reader, first time poster here. Apologies for the slightly lengthy post. I'm just wanting a bit of advice for something i'm...

• Replies: 0
• Views: 986
08-18-2016, 03:21 AM
37. ### Analysing multiple independent variables (continous and discrete data) using ANOVA

To provide some context to my question, I have been tasked with identifying features that have an effect on sales for a company. This company owns 6...

• Replies: 0
• Views: 959
04-06-2016, 08:05 AM
38. ### analysing nominal data

hi, does anybody have any ideas how to analyse nominal data, which is mixed ie. betwee groups and repeated measures? thanks

• Replies: 0
• Views: 3,144
08-25-2006, 03:24 PM
39. ### Analysing pain score data

We have an 11-point pain score (0 - 10) and we need to analyze the difference between two treatment groups. Do anybody have suggestions how to...

• Replies: 4
• Views: 6,185
05-22-2009, 08:24 AM
40. ### Analysing parameters in algorithmic models- a vague question

Hi. Just to preface this post, I don't have much training in statistics (most advanced was a relatively basic undergrad course), and so quite a lot...

• Replies: 0
• Views: 1,074
11-28-2011, 03:18 PM
41. ### Analysing percentages

Hi, I'm a newbie to this forum and am not very statistically minded. I've been trying to work out what way to best analyse the data I will be...

• Replies: 1
• Views: 2,831
03-11-2009, 05:04 PM
42. ### Analysing Percentages

Hi, This is probably a very basic question but for some reason I'm struggling to find the answer. I have a dataset comprising four years' worth of...

• Replies: 0
• Views: 1,129
07-18-2012, 03:59 AM
43. ### Analysing ranked data

I had following question in my questionnaire: Rank following factors: price, quality, advertisement, brand, reference from 1 (very important) to 5...

• Replies: 0
• Views: 1,405
09-22-2014, 10:09 AM
44. ### Analysing relationships between numerical data and non- numerical data.

Hi all, new user here hoping to become part of the community, I have recently purchased a book reccommended to me - Discovering statistics using...

• Replies: 2
• Views: 3,295
04-19-2013, 07:52 AM
45. ### Analysing repeated Chi.squares

Hi, I'm testing whether a certain species of insect prefers a high or low concentration of a certain substance. I've trapped a few hundred using...

• Replies: 0
• Views: 1,002
07-08-2014, 05:38 AM
46. ### Analysing Sales Data and Finding Patterns / Information

Hi all, I stumbled across this page while trawling the net for ideas on how to work out my assignment. I was wondering whether anyone could...

• Replies: 0
• Views: 859
03-16-2014, 11:25 AM
47. ### Analysing significant interactions further

Hi I conducted a mixed design three way ANOVA with three independent variables each with two sub-categories, gender of victim (male,female) gender...

• Replies: 0
• Views: 1,263
04-04-2012, 10:20 AM
48. ### Analysing the effect of dilution on honey

Hello! I've currently got some data but I'm just become horribly stuck D: The data shows the inhibitory effect of varying dilutions of honey on...

• Replies: 6
• Views: 3,308
10-13-2012, 07:01 PM
49. ### Analysis

The list of items that comprise the universe selected for analysis and is used in determining which items will be selected is called ________

• Replies: 3
• Views: 1,365
07-24-2016, 02:25 AM
50. ### Analysis advice.

I am working on project that is comparing two types of corn and their crop yield. For each corn variety they were planted in various soil types and...

• Replies: 1
• Views: 1,202
03-23-2014, 04:08 PM
51. ### analysis for testing improvement size across 2 groups

I would love input regarding what analysis to use Design: IV: 1 between subjects group (sought assistance, no assistance sought) DV: ...

• Replies: 12
• Views: 4,168
06-17-2009, 10:29 AM

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