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For each of the following, identify the independent variable(s), dependent variable(s), and the level of measurement (nominal, ordinal, scale).
a. The number of loads of laundry washed per month was tracked for women and men living in college dorms.
b. A researcher interested in people's need to maintain social image collected data on the number of miles on someone's car and his/her rank for "need for approval" out of the 1 83 people studied.
c. A professor of social science was interested in whether involvement in campus life is significantly impacted by whether a student lives on or off campus. Thirty-seven students living on campus and 37 students living off campus were asked whether they were an active member of a club.
Examine statistical data consisting of records of car accidents on Victorian roads and freeways in 2012
Is the mean Hemoglobin level of a group of high-altitude workers different from 16g/cc and does the mean speed of 50 cars as checked by radar on a I-70 differ from 65mph?
How are the degrees of freedom for the chi-square hypothesis tests different from those of most other hypothesis tests? In most previous hypothesis tests, the degrees of freedom have been based on sample size.
Determine and interpret the sensitivity of mammography.
Calculate the correlation coefficient
Determine the factors in the bag-sealing equipment that might be affecting the ease of opening the bag without tearing the inner liner of the bag.
What is the probability in the sample?
How many turnstiles must be opened in each direction every morning and describe the suppositions underlying the solution of this problem by using queuing theory.
What was the total number of participants surveyed for the study and what was the total number of participants who completed the entire survey?
Use the Excel Analysis ToolPak to find the linear correlation coefficient for the systolic and diastolic measurements.
Using the data on the growth rate of Money and inflation, run a regression of the rate of inflation on the rate of growth of the money supply
Please read through the case scenario shown below to gain an understanding of the background information and the research study
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