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- The aim of this prac is to practice data gathering. Assume that you have been employed to improve the user experience of an interactive product such as a smartphone app, a digital media player, a Blu-ray player, computer software, or some other type of technology (you choose anything you can easily observe with the people around you). This existing product may be redesigned, or a completely new product may be created. To do the assignment, find a group of people or a single individual prepared to be the user group. These could be your family, friends, peers, or people in a local community group. For this assignment: Identify the product here: [1] Clarify the basic goal of improving the product by considering what this means in your circumstances. Watch the group (or person) casually to get an understanding of any issues that might create challenges for this activity and any information to help refine the study goals. [3] Explain how you would use each of the three data gathering…Answer correctly and in 30 mintues if done so I will write a wonderful reviewImagine that you were hired as a consultant by a local business owner tohelp her determine how many paid days off she should provide to her employees. In general, she wants to establish some sort of standard for her employees and for herself. Based on data provided by the government, you conclude that on average, workers in the United States take 14 paid days off per year. The data for the eight employees who work at the company you are consulting for are: 12, 9, 7, 12, 13, 14, 14, and 12 days. Thequestion you are trying to answer is, are the number of days off taken by the eight employees statistically different from the data provided by the US government? (I have stated the null and alternative hypotheses, and found that this is a two-tailed test. With alpha=0.05, I have found the t-critical value to be +/- 2.365, with DF=7)I need help with: A. Compute the appropriate test statistic. Use the computational formula tocompute the sample standard deviation. Show all formulas that you…
- Consider that the results of a research study conclude that the “effect of social media use on anxiety depends on gender.” Which statement below is correct based on this conclusion? a. The research study uncovered a main effect of social media use, but no main effect of gender or interaction between gender and social media use. b. The research study uncovered a main effect of gender and interaction of gender and social media use, but not main effect of social media use. c. The research study uncovered an interaction between social media use and gender, but no main effects. d. The research study uncovered no main effects of gender or social media use, as well as no interaction between gender and social media use.Answer number 4 FULLYWhich of the following refers to the scenario in which the relationship between the dependent variable and one independent variable is different at different values of a second independent variable?
- In general, if two variables are strongly associated, does it follow there must be a cause and effect relationship between them? ExplainRelationships between two or more variables can be identified using crosstabulation. Select one: O True O FalseA reporter for a local television station visits the city's new upscale shopping mall the day before Christmas to interview shoppers. He questions the first 25 shoppers he meets outside one of department stores at the mall. He asks them whether their overall feelings about Christmas shopping are positive, neutral, or negative. Select the reason(s) why it may be risky to act as if the first 25 shoppers at this particular location are an SRS of all shoppers in the city. Surveying shoppers the day before Christmas is a convenience sample, so it is a simple random sample. Shoppers at the mall the day before Christmas does not guarantee every shopper in the population has an equal chance to be in the sample. Surveying shoppers at the mall the day after Christmas may not be a good represenation of all shoppers in the city. Having the reporter ask questions is not a double‑blind study.
- Olivia sees that in her data there is a relationship between regular exercise and a range of health outcomes, with those doing exercise having better outcomes. Olivia can claim which of the following statements A. there is evidence of a correlation between regular exercise and health outcomes in her group of UTS academics B. there is evidence of a causal relationship between regular exercise and health outcomes in the population of UTS academics C. there is evidence of a causal relationship between regular exercise and health outcomes in her group of UTS academics D. there is evidence of a correlation between regular exercise health outcomes in the population of UTS academics O She can claim only statement A O She can claim only statement C She can claim all statements O She can claim statements A and C O She can claim statements A and D She can claim statements B and CWhich of the following is true regarding the difference between an observational study and an experiment? An experiment must have a control group while the observational study does not. An observational study is used for human subjects while an experiment is used for non-human subjects. In an experiment, the investigator randomly places subjects into treatment and control groups while in an observational study, no treatments are administered. The observational study can produce causal results while an experiment can only identify an association. None of these is true.The following list gives the number of pets for each of 10 students. 1, 0, 4, 3, 7, 2, 11, 9, 10, 6 Find the modes of this data set. If there is more than one mode, write them separated by commas.If there is no mode, click on "No mode."