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1. A research firm observes that men are twice as likely as women to watch the Super Bowl on television. Does this information represent descriptive statistics or inferential statistics? Why?
2. For each of the following, indicate whether the appropriate variable would be qualitative or quantitative. If you identify the variable as quantitative, indicate whether it would be discrete or continuous.
a. Whether you own a Panasonic television set
b. Your status as either a full-time or a part-time student
c. The number of people who attended your school's graduation last year
d. The price of your most recent haircut
e. Sam's travel time from his dorm to the student union
f. The number of students on campus who belong to a social fraternity or sorority
a hospital administrator wants to measure average time per hip replacement procedure performed in the institutions
A researcher is interested in studying the relationship between certain driving habits and type of vehicle. He hypothesizes that signaling behavior will be different for drivers of trucks and cars.
a gymnast m 70 kg is stationary in the inverted iron cross position. his arms are at 20 degrees from horizontal with
Create an accurate scatter plot of the data. This can be done by hand or using a program like Excel. Use Height as the x variable and Arm Span as the y variable. Does this graph show a linear relationship between x and y?
Find the pdf of X+Y - Two independent uniform random variables
using the empirical rule 95 of female heights should be between what two values? either show work or explain how your
an exit poll of 1000 randomly selected voters found that 515 favored candidate a. is the race too close to call? answer
you wish to test if there is a difference in the average time male and female students spend studying for a business
Solution utilizing graphical method. Compute the following linear programming problem. Among which of the following points (X, Y) is not a feasible corner point.
listed below are the overhead widths in cm of seals measured from photographs and the weights in kg of the
astudy of 31000 hospital admissions in new york state found that 4 of the admissions led to treatment-caused injuries.
Perform a significance test to assess whether there is an association between mortality from cirrhosis of the liver and duration of employment in the group hired after 1945. Report a p- value.
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