Write both a null and research hypothesis for the following variables: study time and academic success exam scores and hours spent sleeping parental support and disciplinary conduct problems
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Write both a null and research hypothesis for the following variables:
study time and academic success
exam scores and hours spent sleeping
parental support and disciplinary conduct problems
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- Observation: Students on a university campus notice that the freshly squeezed mango juice ferments faster than the freshly made lime juice even though they are made by the same vendor, using the same method of juice extraction, and kept at the same temperature. 1.Write a simple hypothesis, null hypothesis and alternative hypothesis. 2. Suggest a simple step by step method that can be used to test your hypothesis“It is hypothesized that there is a difference in job satis¬faction between those who receive regular feedback on their job performance and those who receive irregular feedback.” is an example of which type of hypothesis? a. Not a hypothesis b. Null hypothesis c. Directional hypothesis d. Non-directional hypothesisIf a police officer wants to find whether the average speed of motorists a highway with speed limit of 55 , the null hypothesis is 55 . true false justify it
- Set a hypothesis for the effect of each independent variable on the dependent variable (i.e., a total of four hypotheses). Explanations / Theories / Intuitions should be provided to justify each hypothesis. Dependent variable: Imports of goods and services as a percentage of GDP independent variable: Population ages Inflation consumer prices Unemployment% Agriculture, forestry, and fishing value-addedWhen defining the hypothesis, we present… a. None of the responses b. The null hypothesis only c. The alternative hypothesis only d. The null and alternative hypothesesA teacher observes that the mitterm grades of students in the class varies depending on “the number of classes that the student takes”, “the difficulty of the assignments”, and the “stress experienced by the student”. She assigns to you the task of doing a research project on this and wants you to do the following: a. Give the project a suitable title b. What is the research question? c. Clearly label the variables (dependent and independent) d. Develop three hypotheses
- In the hedonic model, what is the alternative hypothesis? The price impact is 0 There is a positive price impact There is a negative price impact The price impact is not equal to 0You and your research partner want to use Instrumental Variable analysis to write an econometrics paper and find causal estimates. Your partner argues that because the residuals and the instrument are uncorrelated, the exogeneity requirement is satisfied. What do you tell your research partner: a) You agree, the exogeneity requirement is satisfied by construction b) You agree, the exogeneity requirement is satisfied by their demonstration c) You disagree, you would need the results of the White Test to make this conclusion d) You disagree, the exogeneity requirement cannot be tested as we do not observe the error terms e) You cannot make any conclusions with the current information(Econmetrics) Q.1 How can you test for general misspecification of model if it would have only (any of) two independent variables?
- List the 5 assumptions of the Classical Linear Regression Model and explain at least three of themIn 2017, Philadelphia launched a sweetened beverage tax of 1.5 cents per ounce, raising the cost of a 2-liter soda bottle from about $1.50 to $2.50. One year later, the Philadelphia mayor wants to evaluate if this "sugar tax" improves the health status of Philadelphia Propose ONE method (i.e. difference-in-difference, instrumental variables, or regression discontinuity) to address these questions. write down its implementation details (the type of data you need, potential sources to get the data, equations) its pros and cons Only Typing answer please I need ASAPThe Tiebout model is supported by the fact that residents within metropolitan suburbs have ____ preferences and housing prices are generally _____ in communities with efficient provision of public goods. A.varied/lower B.similar/higher C.similar/lower D.varied/higher