# statistic test

1. ### What Test Should I Use?

Hi there, I am analysing a large data set involving a food-training study, and I am struggling with the last question. Here are the key facts: The participants were 83 people aged 18–65 with a body mass index (BMI) of at least 18.5. All participants were weighed at baseline (Week 1, prior to...
2. ### Need Help Finding Whats Stats To Perform

Hi there, I've been given a data set involving a food-training study. In week 1, baseline weight and BMI were recorded for each participant. In week 2, participants underwent four sessions of an online go/no-go response inhibition task. The task involved two treatments: food inhibition and...
3. ### Urgent Help for Statistic

I have a study to establish the factors that influence consumer satisfaction with different internet banking services. Part 1 is the demographic and Part 2 are the Customer Satisfaction and Attributes of Satisfaction which were measured using the 5 Point Likert Scale questionnaires. The...
4. ### Non-parametric test with confounding factors (many covariates)

First, sorry for my English, if I'm not clear enough, tell me! In my project, I have many variables but a very small sample (non-parametric). I'm trying to prove a link between two variables while correcting for covariates. In short, we are looking at white matter tracts and their links to...
5. ### What tests to use for analyzing data that is categorical and continuous

Hey everyone, for my master thesis, I'm analyzing a bunch of patient data. I have very limited statistical experience hence the question here. The data set includes both categorical variables and continuous variables. the continuous variables don't seem to be normally distributed...
6. ### What statistical analysis and how?

Hello everyone, I am studying the effects of framing on food neophobia and the purchase likelihood of novel foods. Currently, I have made a pre-test where I have 4 conditions and 1 control condition where they are pictures with messages framed a certain way (emotion-promotion...
7. ### Which statistical test?

Which test can I use for analyzing the effect of a categorical independent variable, such as preoperative ASA score (1/2/3/4), on a binary dependent variable, such as postoperative complication (yes/no)? I know that the chi squared test is an option, but this test does not tell me if the...
8. ### What Statistical Designs should I use?

Hi! We're making a Design of Experiment that involves the use of rubber band and egg shell to see of it affect compression strength of a concrete. So, we make a proportion of the cement and two control variables in interval like 1. 100:0:0 2. 50: 50 :0 3. 50: 0: 50 4. 50: 25: 25 5. 50: 75...
9. ### Problem on Tests on mean and variance

I need some help. It is a problem from a book called Theory of Multivariate Statistics, by Martin Bilodeau and David Brenner. It is from unit 8 (Tests on mean and variance), problem 14. Does anybody know this :)?
10. ### help identifying name of statistic, logistic regression

Hello, This is probably a very basic question, but I'm wanting to identify the name of a statistic. A professor I consulted with had written out the formula for me (attached) and I had thought this was a z-score, but she said at some point that it's not, it's another kind of statistic. She is...
11. ### Anova test post-hoc error

Dear All, Please help me with my statistics... I am using 5 different dimensions to interpret the correlation among them. For instance, Burnout is negatively related to engagement. All dimensions have at least 3 Lickert scale data. Now, I would interpret the analysis among them, trying with...
12. ### small sample size problems

Hi i'm doing my master thesis and i'm searching for a way to analyse differences with small samples. The smallest is n=4 (1vs 3). Is there an option to analyse potential significant differences with this small samples? I don't think so but i'm pretty new in statistics, so i would be glad to...
13. ### Normality test: missing p value for some variables

Hi! I am trying to run normality test for 3 variables and I am just getting p value for one of them. Has someone faced this problem before? Thank you for the help!
14. ### Stattistical test for multiple reponses

Hi to everyone, I ran a survey and one question was to indicate which accommodation (hotels, apartment, b&b, ...) respondents prefer when travelling. Thery were allowed to select more than one option. The survey was completed by two different groups: university students and workers aged 25-35...
15. ### Statistical tests for SPSS - which is the most appropriate?

I'm a little confused on what statistical test(s) I should use in SPSS, and hope that someone could enlighten me. Research is looking into the relationship between breed size and how an owner manages certain behavioural problems. A questionnaire has been used to collect behavioural data from...
16. ### Hypothesis analysis for mouse growth

I have the mouse growth data as shown below. There are two cages. Cage-1 has 'type-A' mouse and Cage-2 has 'Type-B' mouse. Each cage has 4 mouses. Every week each mouse weight and total food consumption per cage are recorded. I want to do the hypothesis testing and find which type of mouse...
17. ### Statistical Tests

I am currently completing my dissertation and I need to compare some wave data. I have the forecast wave heights and the actual wave heights. I need to find how accurate the forecast wave heights were and therefore need the correct statistical test or multiple! Thank you, Jess
18. ### Which Statistical test is it?

Any chance anyone knows the answer to this? I know it's not paired t-test but don't know which of the others it is A hotel manager would like to test whether the average time taken for customers to complete the hotel's online booking form is less than 5 minutes. She selects a sample of 40...
19. ### Forward selection of non significant variables

Hi, In SAS Enterprise Miner, I trained a logistic regression with forward selection and AIC criteria. I grouped rare levels for categorical variables. One of these variables was selected by the algorithm but the coefficients of all categories were statistically not significant (different...
20. ### 2 Sample Distribute

ROA is an indicator how profitable a company Is relative to its assets. Note: I know I haven't given the dataset.