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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: 196,871
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: 66,817
09-30-2005, 09:44 AM
1. ### Analysis headache: Hi, first timer and a little confused

Hi there I hope you can help. I have done so much reading I feel I have tied myself in knots. I'm looking to find out the statistical test I need to...

• Replies: 0
• Views: 1,212
03-16-2014, 05:46 AM
2. ### analysis help

I have some data that I'm trying to run some analysis on, but I can't figure out which test will be the best. I have both interval and nominal...

• Replies: 1
• Views: 1,855
11-25-2006, 12:28 PM
3. ### Analysis help

I've been asked to prepare an analysis of about 5,000 customer records. These customers have an assigned decile, which is of utmost interest. I...

• Replies: 0
• Views: 1,770
02-05-2009, 12:09 PM
4. ### Analysis of Categorical Variables

Dear Member(s), I work in a different kind of field i.e. agriculture in general and Soil Science in particular. I have a good data set that...

• Replies: 5
• Views: 1,724
12-14-2013, 04:45 AM
5. ### analysis of classic Battleship game

Hi, This must be a classic statistical problem, but I suspect I am just not using the standard name for the problem. I would like to find a...

• Replies: 1
• Views: 3,243
01-07-2009, 12:18 AM
6. ### Analysis of Conference Speaker Scores

Hi I work for a conference company and each of the speakers that present for us get scored from 1 to 5 (bad to excellent) (I also have similar...

• Replies: 5
• Views: 2,917
12-21-2010, 01:58 PM
7. ### Analysis of correctness of answers

Hi! I have another question. My participants had to perform 32 tasks (8 tasks in all four conditions), and now I want to analyse whether there are...

• Replies: 1
• Views: 2,127
05-02-2006, 11:06 AM
8. ### Analysis of Counted Set of Data

Gud Mrng Friends, well i am trying to analyze the data set which contains counted values per day for 15 consecutive days for four different groups...

• Replies: 0
• Views: 847
06-16-2012, 12:34 AM
9. ### Analysis of covariance (ANCOVA)

In my research in literature, I read that categorical covariates (eg. sex, race) can be adjusted in the analysis of covariance (ANCOVA), but the...

• Replies: 1
• Views: 1,845
05-05-2016, 07:11 AM
10. ### Analysis of data - how to find the most relevant factors

Solved. Sorry... You can delete it.

• Replies: 0
• Views: 1,395
skw
02-25-2017, 05:33 PM
11. ### Analysis of Data assistance

i will try and explain briefly my project and what i am looking to analyse. I have undertaken a research analysis of a particular investigation...

• Replies: 0
• Views: 1,913
11-06-2010, 12:19 PM
12. ### Analysis of data with a small population

Hello, We did some research regarding a very small population. Eight companies were involved. Its a small number, but we believe that sample...

• Replies: 1
• Views: 6,402
11-26-2009, 09:39 AM
13. ### Analysis of data, multi individual, multi experiment?

Hi, I'm trying to analyse some data to find correlations, and the significance of those correlations and could do with a little help. Basic...

• Replies: 1
• Views: 3,123
08-27-2008, 06:08 PM
14. ### Analysis of Entomological Findings Help

Solved....

• Replies: 19
• Views: 4,123
02-03-2012, 05:13 PM
15. ### Analysis of Likert Data

Hi there, I'm looking for help analyzing survey data measuring perceptions of importance and success using likert scales. I used a 5-point...

• Replies: 1
• Views: 2,939
01-07-2011, 03:18 PM
16. ### Analysis of Likert Scale data

Hi All, I am doing research on expertise and had respondents use 7 point likert scales to provide answers to practical questions. I'm going to...

• Replies: 0
• Views: 7,973
04-03-2011, 07:59 AM
17. ### Analysis of possible variables causing incorrect test results (false-positive etc)

Dear geniuses, Thank you in advance to hearing my plea. First off, I'm new to the world of statistics, so if possible please keep it plain and...

• Replies: 3
• Views: 1,219
12-16-2014, 04:16 PM
18. ### Analysis of probability plot help

Hey, I was wondering if anyone could help me in understanding what factors i would need to focus on when i am commenting on the appearances of a...

• Replies: 0
• Views: 1,950
03-27-2008, 03:54 AM
19. ### Analysis of questions in a questionnaire survey?

I a a Masters of pharmacy student and currently have a problem with what test to use in order to analyse difference between two scores obtained on a...

• Replies: 1
• Views: 1,266
08-23-2012, 03:35 AM
20. ### Analysis of Ranked Objects

Dear forum, I have a question about the analysis of ranked data. I have read several posts here, but cannot seem to understand how best to analyze...

• Replies: 0
• Views: 2,228
11-03-2010, 08:51 PM
21. ### Analysis of residues

Let Y_i the observed values \hat{Y_i} the fitted values and e_i the residues, for i=1,2,3,4,5. Then we have Y=(35,17,42,28,53) and...

• Replies: 1
• Views: 2,090
10-11-2015, 06:56 AM
22. ### Analysis of simple yes/no data?

Hello. I am dealing with choice data (dependent variables are 'correct' or 'incorrect' choice), and am unsure of the analysis. I have 2 experimental...

• Replies: 1
• Views: 10,109
02-23-2009, 04:44 PM
23. ### Analysis of soil fertility - Looking for guidance/confirmation

Hello, I have agreed to help a friend out with the data analysis for a major school project, with the caveat that I am no expert in statistics. It's...

• Replies: 8
• Views: 1,838
03-21-2012, 05:53 PM
24. ### Analysis of three difference samples

Hi there, I have surveyed three separate populations frome which I have obtained fairly representative samples. One was a stratified sample (as...

• Replies: 0
• Views: 1,928
max
05-24-2006, 04:30 AM
25. ### Analysis of two data sets ranked by importance

I would like to test a hypotheses based on whether two data sets, ranked by order of impotance, are ranked the same. One will be ranked using...

• Replies: 6
• Views: 1,633
04-16-2016, 08:37 AM
26. ### Analysis of two variables in one group

Hello everyone, I have following question: I have two compare the concentration of two different drugs in a group of 19 patients. Every patient...

• Replies: 1
• Views: 955
10-06-2013, 01:19 PM
27. ### Analysis of variance in the framework of time series

Hello everyone, Every time I open a book on time series, in the chapter Analysis of variance, it starts off right away with things like...

• Replies: 1
• Views: 903
06-04-2014, 02:29 PM

The manager of a computer software company wishes to study the number of hours senior executives spend at their desktop computers by type of...

• Replies: 0
• Views: 3,827
04-09-2009, 11:37 PM
29. ### Analysis of Variance with replication and multiple comparisons

Hi: Could someone please help me with the following problem? I am performing an Analysis of Variance with replication, balanced design but it is...

• Replies: 1
• Views: 2,309
04-26-2011, 07:30 AM
30. ### Analysis of weight curves

Hello everyone. Thanks in advance for your help. I need to analyse the body weight growth curves from two groups of mice. The experimental group is...

• Replies: 0
• Views: 4,092
11-22-2011, 11:01 AM
31. ### analysis question

Can I use chi square test if my nominal variables have more than 2 levels? For example relationship between brain specialization (left, right, whole)...

• Replies: 4
• Views: 3,305
04-14-2012, 01:41 PM
32. ### Analytical flow, correlation research

Hi Stat's experts. For my Experiment which I classified as Correlational research I will look for relations to Breathing pattern disorders (BPD)....

• Replies: 0
• Views: 947
03-07-2015, 05:22 AM
33. ### Analytical model for percentages

Hi everyone. I'm new to the forum and have a question. I'm working with a data set about the police, where entire shifts of police work was...

• Replies: 0
• Views: 2,063
08-29-2007, 01:15 PM
34. ### Analyze Delivery Time Goals - Best method and chart

Hello, I work for a small mom and pop delivery company. We have a delivery goal of 10 minutes and we track what time we get the call, what time we...

• Replies: 0
• Views: 928
04-25-2012, 10:30 PM
35. ### analyze groups of repeated measures

Hi all, I have the following setup. Several people (male and female) had to rate different pictures. Certain pictures share specific (categorical)...

• Replies: 0
• Views: 976
08-31-2015, 06:26 AM
36. ### Analyze the similarity among groups

Recently, I have to analyze the similarity among groups. This is my problem. 1. There are 20 independent groups. (A1, A2, ..., A20). 2. Each...

• Replies: 0
• Views: 2,729
03-31-2008, 10:17 AM
37. ### Analyzing 3 qualitative (categorical) variables

I have a data set with 4 values per record. Product, Location, Month of Year, Units Sold. I am trying to determine for each product if location...

• Replies: 1
• Views: 1,659
02-22-2017, 08:38 AM
38. ### Analyzing a Line Chart

I have a line chart with number of people on the y axis and weeks on the x axis. I was wondering if someone knew how to analyze or determine the...

• Replies: 2
• Views: 1,286
11-27-2014, 10:01 PM
39. ### Analyzing change between two groups and two time points; Repeated Measures or T-test?

I'm interested in analyzing whether there is any difference in a continuous variable 1. between two groups, 2. at 3 different time points. Does it...

• Replies: 3
• Views: 2,293
02-13-2014, 03:39 AM
40. ### Analyzing changes in fishery over time

Hi all! I'm a rookie in statistics, but just wrapped up a semester of R analysis for natural resources. I'm working on my grad capstone and hoping I...

• Replies: 0
• Views: 842
05-15-2017, 10:38 PM
41. ### Analyzing choices

Hi everyone, I wasn't sure if this is the right place to post this, but I'm looking for advice on how to analyze the likelihood of choosing one...

• Replies: 3
• Views: 1,207
10-21-2013, 10:42 AM
42. ### Analyzing daily data by month and day of week

Hi :) So I've got this data - the number of parking tickets issued, per day, in a certain locale over one year. Overall, then, n=365. I am...

• Replies: 0
• Views: 2,854
04-16-2007, 12:39 AM
43. ### Analyzing Data

I have a question that requests that I analyze the following data the alpha is set at .01 and the df=120 Color n mean s...

• Replies: 1
• Views: 2,543
04-24-2008, 01:33 PM
44. ### Analyzing Data with Gold Standard

Hi All! Like most, I've been away from stats for a while. However, I am getting back into it. This is not a homework assignment and I have...

• Replies: 0
• Views: 1,825
08-19-2011, 01:10 PM
45. ### Analyzing data with relatively rare events.

Hi I am looking for insights in to how to gain insights from a variable that is for the most part zero, but in about 1% of the cases, takes...

• Replies: 2
• Views: 2,329
04-20-2012, 08:11 PM
46. ### Analyzing data. Unsure which test to use

It has been a LONG time since my last stat course. Working on an experiment with a student in my science class who is looking at the effects of trace...

• Replies: 1
• Views: 977
11-23-2012, 01:00 PM
47. ### analyzing dichotomous data

Hi everyone, I'm here with a short question. I'm dealing with a dataset including 10 dichotomous (present/absent: 1/0) variables for 100 subjects....

• Replies: 2
• Views: 2,379
10-03-2011, 11:27 AM
48. ### Analyzing Differenced Data

Hello, I have a lake and we're looking at the changes each year in the amount of liquid in the lake (so freezing, melting, etc). I am performing...

• Replies: 0
• Views: 835
06-05-2013, 09:43 AM
49. ### Analyzing Likert Scores

Hi - from this thread you'll be able to ascertain my very low skill levels when it comes to statistics! Here is your chance to give me the answer and...

• Replies: 2
• Views: 5,128
06-06-2007, 05:56 PM
50. ### Analyzing population level data

I am curious how to approach this particular problem: I have a data set with multiple subgroups of variables (FROM DIFFERENT STUDIES) that have...

• Replies: 0
• Views: 1,362
04-09-2012, 12:32 AM

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