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- What does aij mean?Let's assume that there are 500 people in a population. The researcher has access to all 500 participants, and sends a questionnaire that is accessed by a hyperlink. Of the 500 possible subjects, 485 complete it. Does this mean that the results generated from this study will be highly-accurate? What might cause the study to be unreliable?A prospective cohort study was conducted to assess the impact of a particular environmental exposure. The investigators enrolled 3000 participants, 1000 who had been exposed and 2000 who had not, and followed them for four years. Ten of the exposed participants and 10 of the unexposed participants were diagnosed with leukemia during the study. The risk of leukemia is: 1) Higher in those that were exposed 2) The same for both groups 3) Higher for those not exposed 4) cannot be determined from the information provided
- 1. If a choice data satisfies SARP it also satisfies WARP.2.If a choice data violates SARP it also violates WARP. which of the two statements are true? are both trueProvide an example of between subject design and one example of within subject designPeople come to relationships with different attachment styles that partially stem from the attachments they experienced with the adults raising them and partially due to experiences in other relationships in their lives. Those who have what is known as “secure” attachments are comfortable with their partners emotions, can help soothe, and make movements towards the other person in a responsive way. Among a group of 10 individuals rated as having a secure attachment style, a researcher wanted to know if, as they were first being acquainted with another person, the amount of self-disclosure made them like their person more. The data is listed in Table 6 below. Test the hypothesis at an alpha of 0.05 (where increasing scores mean higher disclosure and higher liking). If you knew the new person you are about to go on a date with had a self-disclosure rating of 4, what would you predict your likeability score would be (provide the full regression formula as well as the response)? -use…
- The waiting times for customers to receive their food were recorded from two different fast-food branches (A & B). A B 20 21 22 26 19 17 23 18 16 21 24 17 21 19 20 22 18 22 15 19 The owner of these two branches wants to compare the waiting time between them. a) Write the research question.Your daughter is doing a case study with my husband to know which devices are used by the students in their online classes. As such, a survey was conducted to 100 engineering students at PUP. 54 of them use smartphone, 37 use laptop and 24 of the respondents use iPad. 21 of them use both smartphone and laptop. 13 of them use both iPad and smartphone. In addition to that, 18 of them use both iPad and laptop. Only 9 of the respondents use all the three devices in their online class. Those who do not have any devices are studying through modular approach. How many respondents are modular?In a survey of statistics students, it is found that 54 use RStudio, 43 use SAS, and 32 use Stata, for data analysis. Moreover, 29 use both RStudio and SAS, 18 use both RStudio and Stata, and 21 use both SAS and Stata, for data analysis. Fifteen of these students use RStudio, SAS, and Stata, while nine of them use tools other than R Studio, SAS, and Stata. a. How many students use RStudio only for data analysis? b. How many students use at least two software for data analysis? c. How many students use SAS or Stata, but not both?
- Examus I cdn.student.uae.examus.net?ridbgn=D1&sessi. STAT-101 FEX_2021_2_Male Choose the correct answer for the following question: 2d0 A lirm wanted to follow the satisfaction of its customers for a given time period. It assigns "0" if the customer is not satisfied, “1" if the customer is partly satisfied, and "2" if the customer is very satisfied. The 1-30 What is the probability that a randomly selected customer is not ce3 a. 0.10 ce362d b. 0 C. 1 ce362dcf917 ce362dcf91 d. ce362dcf917 c0382dcr917 ce362dcf917 ce362dcf917 MacBook Pro UT ce3det917 (C0 P C O O O IIUnder what circumstances is it advisable to switch to a between-subjects design instead of using a within-subjects design?What kind of independent variable (active or attribute) is necessary to infer cause?
