Relationship between academic stressors and learning preferences of senior high school student, what is its appropriate statistical test and explantion?

Q: Explain the rationale for selection of statistical tests Explain this thoroughly using clear example…

A: The selection of statistical tests is a crucial part of any research process. The purpose of using…

Q: Select one of the statistical analysis methods: z-Score or t-Test Describe how we can apply the…

A: Here we conduct T test for mean . The example given below.

Q: Explain the Potential Outcomes and the Average Causal Effect of using randomized controlled…

A: A potential outcome is the outcome for an individual under a potential treatment. And the casual…

Q: What are test specificity and test sensitivity?

A: Specificity and sensitivity are two statistical measures to determine the efficiency of a binary…

Q: "William Shakespeare: The Tradegy of Hamlet, Prince of Denmark," by Jacqueline Ghodsi. What is the p…

A: We have to define p value and confidence interval.

Q: Considering gender and environment, formulate null and alternative hypothesis for the relationship…

A: Null hypothesis: There is no relationship between the level of critical thinking and academic…

Q: confidence interval for the mean response” and prediction interval” for a New response is.

A: The difference between the " confidence interval for the mean response"  and the prediction interval…

Q: The performance of students at a local community was recorded and categorized based on student’s…

A: Low   Average   High   Total   Science   12  30  52  94      15.67 29.24 49.09…

Q: 7.38 Teaching descriptive statistics. A study compared five different methods for teaching…

A: In the given case more than two means are required to be compared for which we can use a one-way…

Q: Describe the basic characteristics that define an independent-measures, or a between subjects,…

A: Solution-: Describe the basic characteristics that define an independent-measures, or a between…

Q: Is there evidence of a difference in the proportion of male and female students who smoke among all…

A: Hypothesis is an assumption that is being tested.

Q: The Survey of Study Habits and Attitudes (SSHA) is a psychological test designed to measure various…

A:

Q: How does the mean age of employees affect their performance? Why is there a need to strictly…

A: It is given to determine whether or not the mean age of employees affect their performance.

Q: The average score of students during the past year in the statistics subject was 80%, and their…

A: Given Information: The average score of students during the past year in the statistics subject was…

Q: What type of statistic test would I perform for this questions, Is there a relationship between…

A: Chi-square test:   A single simple random sampling is done with each individual being classified…

Q: how will you determine the sample size in a meta-analysis? give statistical formulas used in…

A: Meta-analysis is a statistical technique used to combine the results of multiple independent studies…

Q: Using the p-value method, should be rejected at the  level of significance?  Why or why not?

A: We performed t-test for difference between two means assuming equal variances in Excel. Test…

Q: Race and Smoking 2013 Data collected in 2013 by the behavioral Risk Factor surveillance System…

A: From the given information: p⏞1=0.147p⏞2=0.188n1=112n2=1916c=90%=0.90

Q: What are some examples of when to use pooled sample testing?

A: We say that samples are pooled when units that might be measured separately are processed together…

Q: The National Football League (NFL) is an American sports league where 32 of the world's premier…

A: First lets's sort the data as 2,  2,  3,  3,  4,  4,  5,  6,  6,  6,  7,  7,  7,  7,  8,  8,  9,  9,…

Q: Researchers were interested in studying the pain ratings of post-surgical patients that used. six…

A: The researchers in this study were interested in studying the pain ratings of post-surgical patients…

Q: Describe the difference between a two-sample (independent) t-test and an ANOVA (in terms of what…

A: Comparison of two sample t test and ANOVA

Q: What are two reasons that some people in the field believe significance testing should be banned?…

A: Here we want to discuss reasons that some people in the field believe significance testing should be…

Q: Second, examine the ANOVA table. What information in this table is important? Write out the…

A: Given the ANOVA table as

Q: How do you differentiate between observed and expected frequencies in a cross-tabulation table?

A: Observed frequencies in a cross-tabulation table are the actual frequencies that are obtained from…

Q: You manage two call centers and are working on trying to reduce the amount of time customers are…

A:

Q: What is typically tested when we do hypothesis tests ?  - significance levels  - sample…

A: population parameters

Q: What's an example of Test-Retest Reliability? What's an example of Interrater Reliability

A: Here is the explanation for this as follows; Test-retest Reliability: It measures the consistency of…

Q: What is the critical value, t-test, p-value? (spss) As part of the National Health Survey conducted…

A: Here, x y d=x-y d-d (d-d)2 53.5 58.1 -4.6 -4.4167 19.50724 64 62.7 1.3 1.4833 2.200179 61.3…

Q: Define Prerequisites for Significance Testing?

A: The inference method that is used to support the research claim based on the sample data is called…

Q: Explain Expected bias ?

A: In statistics expected bias refers to the difference between the expected value to the true…

Q: Define relationship between confidence intervals and significance tests?

A: Test: Denote τ as a population parameter of interest. Suppose sample data are collected from the…

Q: how do I use statcrunch to form a​ 90% confidence interval for variance

A: Confidence interval: A range of values such that the population parameter can expected to contain…

Q: How do the deviations compare for the single coin toss between the group and the class data? What…

A: Given information: Assume the data of single coin toss and double coin toss.

Q: the differences between a repeated-measures and two-factor analysis of variance (ANOVA)

A: the differences between a repeated-measures and two-factor analysis of variance (ANOVA)

Q: What is the key role of the hypothesized sampling distribution in hypothesis test?

A: The sampling distribution is the distribution of the statistic. It gives all the possible outcomes…

Q: How does changing from two-tailed test to one-tailed test increases power of a statistical test?

A: Given: Hypothesis test changed from a one-tailed test to a two tailed test as given in the question.…

Q: 2.In an experiment using systematic/controlled measures of behavior, how are you able to increase…

A: There is a generalised things of internal validity and external validity that can apply to the…

Q: Why do we conduct a post hoc analysis in ANOVA?   to make a comparison of individual adjuster…

A: The ANOVA analysis is given. want to explain why post-hoc analysis in ANOVA is needed.ANOVA is used…

Q: What is the difference between treatment variability and error variability in factorial Designs?

A: Let us consider the simplest factorial design --> 2 * 2 factorial design. Here, we have two…

Q: Discuss when should you use T-test, one-way anova, and pearsons r as a statistical tool in a…

A: T Test It is one of the most popular statistical techniques used to test whether mean difference…