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A university librarian wanted to determine if social sciences undergraduates had a preferred method for searching the Internet for sources for academic papers. Over a 5-day period she randomly surveyed 100 students who came into the CSUDH library and asked them which search engine or database they spent the most time using. These are her results. Select the appropriate statistical test and set your α = .05ProQuest - 36Google - 41PsychInfo- 16Ask - 7
Difference between the variances in assembly times (in seconds) of employees trained in a computer-assisted, individual-based program and those trained in a team based program?
Major League Baseball there are five teams in the Western Division of the National League: Arizona, Los Angeles, San Francisco, San Diego, and Colorado. How many different orders of finish are there for these five teams? Place your answer in the blan..
Mall security estimates that the average daily per-store theft is no more than $250, but wants to determine the accuracy of this statistic. The company researcher takes a sample of 64 clerks and finds that =$252 and s = $10.
Quarterly billing for water usage is shown below.
question 1a the x and y components of fluid velocity in a two-dimensional flow field are ux and v -y respectivelyi
Assignment Objectives: Construct a scatter plot for two variables, compute a correlation coefficient, and a regression equation. Use the regression equation to predict a value of the dependent variable.Purpose: In this week's assignment, we ..
2.Describe the advantages and disadvantages of quasi-experiments? What is the fundamental weakness of a quasi-experimental design? Why is it a weakness? Does its weakness always matter?
Observed Treatment Success
Perform a factor analysis on the three variables shown in question 2 above. What do conclude about the factors? Perform another factor analysis that includes the new variable, change in external events. What do you conclude?
What are some ways in which we as researchers can present our data and our findings in a way that can be understood my managers, employees and other stakeholders?
How many standard deviations away from the mean is her age?
Suppose that two students named Gwyneth and Josephine have a total of 20 CDs in their room, consisting of 5 blues CDs and 15 reggae CDs. Each of the students chooses 7 CDs at random (without replacement), with all choices equally likely. (Thus, a..
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