Discuss the importance of means in this study.

Q: 2c) What is research hypotesis? -what is primer data and secondary data? -what is the differences…

A: Research is "creative and systematic work undertaken to increase the stock of knowledge.

Q: What is Observational Study?

A: Experimental study: If the researcher influences or controls one of the variables in the study and…

Q: What do think are the advantages and disadvantages of observational and experimental studies?

A:

Q: What is meant by an influential observation?

A: The definition of an influential observation is give bas follows:

Q: Distinguish between observational and experimental types of studies?

A: An observational study is a study in which researchers simply collect data based on the data…

Q: What do you think are the advantages and disadvantages of observational and experimental studies

A:

Q: Which method describes an experiment?

A: HERE scenarios are given for check whether additive improve milage of car

Q: Why we need different measures of central tendency and dispersion, if mean is given? Briefly explain…

A: The different measures of central tendency are as follows: 1. Mean: It is the most popularly used…

Q: How to interpret the result according to the above data?

A: Decision Rule: Reject H0 if p value less than or equal to α. Let us consider, α=0.05. From the given…

Q: In this section, we discussed two types of statistical designs. Identify and explain the meaning of…

A: The two types of statistical designs are,Completely randomized design.Randomized block design.

Q: What are the conclusions of the study?

A: Parametric test is used to determine the mean significance between the sample and population when…

Q: Describe what does a non-statistical evaluation of the graphs of data for the two-factor experiment…

A: In design of experiment , "Factorial design" allows experiment to do study on many factors…

Q: It is desired to investigate whether there is a relationship between gender and occupational groups.…

A: To examine the strength of association (or) relationship between two variables the following are the…

Q: What test statistics will be used for this problem?

A: Test is that whether there is a color preference in shirts.

Q: Why do we want to avoid bias when collecting data?

A: Bias : It is any trend or deviation from the truth in data collection, data analysis, interpretation…

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: Is “how long it takes to correctly solve the puzzle” an explanatory variable or response variable?…

A: The variable that explains the expected cause, i.e., in other words, the variable that explains the…

Q: What is the difference between testing hypothesis on a population and testing hypothesis when…

A: Statistical hypotheses testing:   Hypotheses testing is used to make inferences about the population…

Q: Is the study an experiment or an observational study ? How do you know?

A: It is an important part of statistics. It is widely used.

Q: What is the difference between a population and a sample? Which is described by a parameter and…

A: Determine the difference between the population and sample.   The difference between the population…

Q: What quantitative research design should be used in "Relationship between Academic Stressors and…

A: Statement is given

Q: Why does the observed mean difference should not be taken seriously?

A: Mean difference(MD): Mean Difference is also known as Difference in means. Mean difference measures…

Q: What is the most important consideration when designing a study on human subjects?

A: Human trials.

Q: What are the requirements for an experiment to be able to show that changes in one variable cause…

A: To Determine :-  The requirements for an experiment to be able to show that changes in one variable…

Q: Discuss the different techniques in describing the data using measures of central tendency and…

A: Central Tendency (CT) It shows where the majority of data lie.   Variability (V) It shows how far…

Q: experiment?

A: Given Data: Percentage of babies recovered fully = 40% Total babies in the hospital = 7 Let the…

Q: What are the two most important questions/concepts that are foundational to statistical practice and…

A: Statistics is a method of interpreting, analyzing and summarizing the data. There are two major…

Q: I cannot find the test statistic for the image of the problem

A: For sample 1 (With almonds): xi xi-x (xi-x)2 3 1.142857 1.306122122 1 -0.85714 0.734694122…

Q: The primary difference between an experimental and observational study is:

A: In observational study, the data is collected based on observing the data of interest. In…

Q: Explain Multivariate Relationships among Items?

A: Multivariate regression attempts to determine a formula that can describe how elements in a vector…

Q: 2 and age 4 compared to children who drank whole or 2% milk (Scharf, Demmer, and DeBoer, 2013). Is…

A: Experimental research is a research method in which the control variables are manipulated to judge…

Q: Which correlation BEST implies causation?

A: Given that :Causation examples.

Q: Discuss the three types of longitudinal research methods. When is each method an appropriate choice…

A: The three major types of longitudinal studies: Panel study Cohort study Trend study

Q: List three reasons why a replacement study might be needed.

A: Replacement problems involve items that degenerate with use or with the passage of time and those…

Q: What is one major difference between an observational study and an experimental study?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How do you know which test/procedure to use given a particular research design or study? What…

A: There are various aspects which we have to analyse to decide which test procedure to use. Some of…

Q: What statistical methods are typically used in an inferential study?

A: There are two major parts in Inferential statistics, i. Estimation ii. Hypothesis Testing So, these…

Q: If you are conducting a study on the academic performance of students who are registered members of…

A: A quantitative study would be more appropriate for this. This is because both the variables can be…

Q: A scientist wants to examine factors that may be related to cancer. The scientist believes that…

A: Two-factor ANOVA is an appropriate test to be used here.

Q: Is this study experimental or observational? Justify.

A: In the study given , The people have been divided into groups to determine the effect of Vitamin E…

Q: Explain two reasons why the research hypothesis is not tested directly.

A: the null hypothesis is a neutral statement about a population parameter that is never proved or…

Q: What is the “third factor” problem concerning correlational studies as it relates to inferring…

A: The correlation between any two variables is the linear relationship between those variables, but it…

Q: Explain steps to Compute weighted and unweighted means?

A: The steps to compute the unweighted mean is the same that we use on a daily basis to obtain the mean…

Q: What are the findings of the study?

A:

Q: 2. Suppose you want to test the factors that potentially affect the germination of bean. | (a) What…

A: Given Information: The objective of this experiment is to investigate the factors that affect the…

Q: WHY IS IT IMPORTANT TO STUDY PATTERNS?

A: Importance of patterns

Q: What are the four of the most important qualitative methods?

A: Let QM denote Qualitative Methods