i) Interpret the result and provide insightful remarks.         ii) Based on the result, suggest what Dr Tian should do to increase students’ satisfaction toward e-learning.

Q: Differentiate between the terms interpolation and extrapolation. What is spatial interpolation?…

A: Interpolation is an estimation of a value within two known values. Extrapolation is an estimation of…

Q: How to prove the consistency, unbiasedness, and efficiency of the OLS estimator?

A: The estimator is said to be good if it satisfies the characteristics of the OLS estimator as…

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: Describe a situation in which we should be using a higher criterion and a situation where we should…

A: Here we should describe a situation in which we should use a higher criterion and a lower criterion.…

Q: Six salesperson, who work for a car dealership, participated in a training seminar: "How to be a…

A:

Q: Define the term estimator? explain unbiased, consistent and efficient estimators?

A:

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: According to a recent study annual per capita consumption of milk in the United States is 21.5…

A: 1) From the provided information, The hypotheses can be constructed as: H0: µ = 21.5 H1: µ > 21.5…

Q: At a stop sign, some drivers come to a full stop, some come to a 'rolling stop' (not a full stop,…

A: male female total full stop 6 6 12 rolling stop 16 15 31 no stop 4 3 7 total 26 24 50

Q: Write down hypothese and hypothese test about  " e-commerce platform; cross-border e-commerce…

A: Hypothesis: A hypothesis is defined as a proposition or a set of propositions set forth as an…

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: s participation. I am interested in the difference between a learners academic achievement and…

A: Here we have to conduct correlation coefficient test  A statistic that determines the population…

Q: Which are three basic criteria for establishing causation in nomothetic analyses?

A: The first three criteria are generally considered for establishing causation in nomothetic analyses:…

Q: AIDS is caused by HIV. Discuss how such claim was established using the descriptive and analytic…

A: HIV (human immunodeficiency virus) is a virus that attacks the body's immune system. If HIV is not…

Q: Researchers examined the influence of a television program on children's aggressiveness. The number…

A: Given Solution:

Q: Explain predictive validity?

A: Predictive validity tells you how well future actions can be predicted by a certain measure.

Q: DF2- "Poverty can motivate people to take risks when seeking employment opportunities, which is one…

A: Solution:-

Q: Which term best describes the consistency

A: Given that    We have to describe:  Which term best describes the consistency of an assessment…

Q: 24. Store Checkout-Scanner Accuracy In a study of store checkout-scanners, 1234 items were checked…

A:

Q: What is the Empirical or Normal Rule? Why is it considered a critically important rule? Discuss.

A: The empirical rule, which states that nearly all data will fall within three standard deviations of…

Q: hy this is true. Hotel managers' personalities. Successful hotel man- agers must have personality…

A: Given  x¯=5.29μ=5.19n=148σ=0.78 a) Null Hypothesis: H0:μ=5.19 That is, the mean femininity score for…

Q: Six salesperson, who work for a car dealership, participated in a training seminar: "How to be a…

A:

Q: Prof. B Santanu wanted to study if brightest students (getting high scores) submit answer-sheets in…

A:

Q: Do you know how to construct quartiles?

A: Quartiles: It is a method of dividing the data into four parts, 0% to 25% of 25% of data is the…

Q: Explain the uses and misuses of statistic , support ur answer with logical reasoning

A: There are so many uses of statistics as below: 1) Statistics provides a good representation of data…

Q: what is the role of confounding variables and the best way to design a study to limit confounding…

A: Confounding variables :  It is identified in cause and effect study . When the actual effect mixes…

Q: total years of education and an indicator variable for female (1 if yes, 0 otherwise). SUMMARY…

A: As due to the honor-code we are authorized to answer only 3 subparts for each question and that you…

Q: Assuming there are 150 students in our statistics class, 20 of you have received 4 hours of study…

A: Given Data: Sample mean=75 Population mean=72 Population standard deviation=6 n=20   For one sample…

Q: The margin of error in a research study is indicative of the precision and accuracy of the research…

A: Statement: The margin of error in a research study is indicative of the precision and accuracy of…

Q: What are the available point estimator and estimate of the population mean starting salary?

A: Given that  n= 175 Sample size  Mean = 11500 Median= 8700

Q: he mean time taken to submit an assignment by a student was 20 days according to the previous…

A: Excel can be used to calculate the required sum

Q: 8. Research shows that similarity in attitudes, beliefs, and interests plays an important role in…

A: Given the data asCouplex : partner 1y : partner 2A1114B67C1615D47E13F109G59H38

Q: what doos Ox indicate about the results of a pre - assessment?

A: It is given that What does ox indicate about the result of pre-assessment?

Q: What is a “quasi – experimental design” and how does it differ from an ex post facto design?

A: A quasi-experimental design aims to establish a cause-and-effect relationship between an independent…

Q: The following table shows summary data for the Mental Health Index (MHI) scores for respondents,…

A: The confidence interval (CI) for the assumed population mean x¯±(Z*SE)where x¯=sample mean…

Q: “Causation is not Correlation” Comment on the statement with suitable examples. Also explain the…

A:

Q: What is the research hypothesis? a) The stress task will not lead to an increase in stress…

A: The research hypothesis is the expectation which will be tested by research.

Q: The Health Ministry in Bahamas is concerned with the high incidence of heart attacks and strokes…

A: ### Question 1#### i. Conduct a hypothesis test to determine if the average age of respondents…

Q: What is meant by unbiasedness of estimators?

A:

Q: Explain the preparation and validation of instruments in research.

A: Any researcher should find an appropriate instrument to measure the variable of interest in a study.…