A researcher wants to see if there is a difference in APGAR scores of newborns depending on whether the mother smoked during pregnancy or not. She collects data and analyzes the results using SPSS. T-Test Group Statistics Std. Std. Error Mother smokes Mean 7.1818 Deviation Mean APGAR no 44 1.9443 .2931 yes 16 5.3125 1.9568 .4892 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Std. Interval of the Sig. (2-tail ed) Mean Error Difference F Sig. df Diff. Diff. Lower Upper APGAR Equal variances .051 .822 3.288 58 .002 1.8693 .5686 .7312 3.0074 assumed Equal variances not assumed 3.278 26.5 .003 1.8693 .5703 .6982 3.0405

Q: What is an example of a summative assessment that you could use to evaluate mastery in meeting the…

A: The statement is "After the lesson on rounding two- and three-digit whole numbers, the students will…

Q: How to Converting to z Scores is done?

A:

Q: How does Turkey’s HSD test for multiple comparisons can be used?

A:

Q: Distinguish between frequentist and subjective approaches?

A: 1. The frequentist approach is the statistical tool that is used to determine the conclusions from…

Q: Consider the following hypotheses. Ho: P = 0.13 H₁: p>0.13 Given that p = 0.2, n = 110, and α =…

A:

Q: What is a sample mean? What is a sample proportion? Summarize the notation used for these…

A: Sample mean : It is sum of all observation in the sample divided by total number of observations.…

Q: How to calculate the "P-value"  by hand?

A: To calculate the p-value, we first need to perform a linear regression analysis on the given data,…

Q: What is the advantage of a z score compared to a raw score?please detail

A: Since a Z-score is a standardized way to measure a score in relation to the population, a z-score…

Q: What are the reasons why you should learn statistics? Do you think that learning statistics will…

A: There are few reasons you should learn statistics - 1. The first reason would be you effectively…

Q: Why is the response rate an important consideration in survey? And give some examples to…

A: If response rate is low, results may notdemonstrate the population as well as if response rate was…

Q: How would I identify the patterns described in the article, Is Cyber-Terrorism the New Normal?

A: ‏‏‎‏‏‎‏‏‎‏‏‏‏‏‏‏‏‎‏‏‎‏‏‎‏‏‏‏‏‏‏‏‎‏‏‎‏‏‎‏‏‏‏‏‏‏‏‎‏‏‎‏‏‎‏‏‏‏‏‏‏‏‎‏‏‎‏‏‎‏‏‏‏‏‏‏‏‎‏‏‎‏‏‎‏‏‏‏‏‏‏‏‎‏‏‎‏‏‎‏…

Q: How do the Boundaries for the observed sample, Common and Rare Outcomes?

A:

Q: Explain the consequences of failing to properly account for multiple comparisons

A: Multiple comparisons tests (MCTs) are performed several times on the mean of experimental…

Q: Describe about the difference between population means>

A: Assuming that we are comparing the difference between two population means which are defined as The…

Q: How can I view boxplots and histogram on ti83

A: The TI-83 is a series of graphing calculators manufactured by Texas Instruments. The original TI-83…

Q: Help with F- Statistic and P-Value please!

A: The mean for sample means is, The sum of square for treatments is, The sum of square for error is,…

Q: Explain about why z Test Is Appropriate.

A: The z test is basically a statistical test for testing whether is there any difference between…

Q: what is the z score formula and and reverse z score formula ?

A:

Q: What is triangulations and why is it so important in qualitative research?

A: Triangulation facilitates validation of data through cross verification from more than two sources.…

Q: Give an example to explain how multiple comparisons leads to an escalation of type 1 error.

A: Type I error: Type-I error is rejecting the null hypothesis H0, when the null hypothesis H0 is…

Q: How do I go through the data screening process using 2 categorial and 2 quantitative variables?

A: Data screening for categorical variables:1. Check for Missing data.2. Test for association among the…

Q: how do I find the test statistics and pvalue using excel or statcrunch? thank u

A: It is given that out of 308 orders, it is found that 37 are inaccurate. The sample proportion is…

Q: Explain what is the LM test and demonstrate it

A: Given information: It is required to state the LM test.

Q: Which multiple comparison test provide better protection against misses or type II errors? Describe…

A: Here's the explanation is as follows; The multiple comparisons,  occurs when one considers a set of…

Q: SAT or ACT? Each year thousands of high schoolstudents take either the SAT or the ACT,…

A:

Q: List the types of Sensitivity Analysis?

A: Sensitivity Analysis deals with finding out the amount by which we can change the input data for the…

Q: hy might using sample average ranking performance be misleading. Thanks

A: Let us consider the 5 student score as given below: Student Score Billy 8 John 7 Sam 7…

Q: What is Meta-analysis?

A: A meta-analysis is a survey in which the results of the studies included in the review are…

Q: can you give me an example of ANOVA word problem and work it out . thank

A: One-way analysis of variance is a technique used to compare means of two or more groups (using the F…

Q: Explain about two-tailed p-values.

A: Two tailed test: In two tailed test, the rejection lies in both sides. That is less than or greater…

Q: Is theory essential to the research process and statistics? Please Explain.

A: Introduction about Theory: Theory can be defined as the idea or concept that has no proof. It could…

Q: explain what is measured by the sign of a z -score and what is measured by its numerical

A: here use basic of standard normal random variable z -score

Q: Describe how to Convert to Transform Standard Scores?

A:

Q: What is the advantages of systematic sam- pling?

A:

Q: What is the difference between the types of data 1- categorical data, 2- numerical data, with an…

A: In statistics, various types of data are studied. There are two types of data that are mainly…

Q: What is the VaR Controversy?

A: VaR controversy in football keep proving that technology may not be the saviour. VaR offside…