Week 3 Discussion Hypothesis testing is a well-structured process that consists of several logical steps, and it aims at refining a business decision. Hypothesis testing is a quite common technique used by researchers. With regard to hypothesis testing, answer the following questions. What are the steps to conduct a hypothesis test? How does a researcher […]
Develop an alternative hypothesis and null hypothesis for each of the scenarios. Discuss the results you received whether you reject or fail to reject the null hypotheses and why.
Module 2 Assignment: Using SPSS to Analyze Correlations and T-Tests Use the following SPSS software: https://stuedu.sharepoint.com/sites/stuoit/Shared%20Documents/Forms/AllItems.aspx?ga=1&id=%2Fsites%2Fstuoit%2FShared%20Documents%2FStudent%20Apps%2FSPSS28%20%2D%20Windows%2FSPSS28%5FInstaller%5FWin%2Eexe&parent=%2Fsites%2Fstuoit%2FShared%20Documents%2FStudent%20Apps%2FSPSS28%20%2D%20Windows Link to Data Analysis Sets: https://wps.pearsoned.co.uk/ema_uk_he_mayers_statspss_1/239/61356/15707255.cw/index.html Part 1: Use the “Alcohol and reaction time” data analysis set: Run the appropriate correlation analysis for each of the following: Average units of alcohol with reaction time. Mood with reaction time. Mood […]
Compare the t value in cell A17 to the table t value in cell A18. How does this comparison tell you if you should reject the null hypothesis or not.
Dependent groups t Test testing two mean differences CASE Use Excel to find information on correlation between two dependent groups. We would like to know if the cholesterol level depends on the age and for that reason we collect cholesterol level of 10 people, first when they were 17 and then when they are 46. […]
Post a 150- to 225-word explanation of the role of null and alternative hypotheses as well as type I and II errors in situations where people use statistics as evidence.
Find a news story in which the author(s) presents statistics as evidence. Consider the following questions: What is the author(s) trying to prove? In other words, what question is the author(s) trying to answer? What would the null hypothesis be? What would happen if the author(s) rejected the null? What action would the author(s) take? […]
The statistical analysis we ran to test the hypothesis show p = .04. What does the p value mean here? Can we reject the null hypothesis of question based on this p value?
Assignment 9 Hypothesis Testing Q1. Here is a research question: “Does the amount of time spent on Instagram per day negatively influence a student’s GPAs?” Based on the research questions (RQ), formulate a research hypothesis (H1) and its null hypothesis (H0) H1: H0: The statistical analysis we ran to test the hypothesis show p = […]
when do children begin adopting racial perspectives about other people’s pain?
Racial Bias In The Pain Assessment Of African American Children Research question: when do children begin adopting racial perspectives about other people’s pain? Null hypothesis: racial bias among children does not develop during their development period Alternative hypothesis: racial bias among children develops during their development period
What is the difference between failing to reject the null hypothesis and having evidence to support the alternative hypothesis?
The prompt question is, “What is the difference between failing to reject the null hypothesis and having evidence to support the alternative hypothesis?” To answer this question be sure to: 1. Define the null hypothesis (what is the definition?). 2. Explain what failing to reject the null hypothesis means. (Explain the mistake (type 1 or […]
Explain the perception of teachers on the use of information technology in the classroom prior and during COVID 19.
Perception of teachers on the use of information technology in the classroom prior and during COVID 19. Same details as last paper. This time I would like a hypothesis and null hypothesis to be included in chapter 3, reliability and validity to be included about item response theory and the rasch model and a summery […]