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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
Tthe mean amount of paint per 1-gallon can is 1.00 gallons. Use a significance level of 0.05. Is (are) the critical region(s) for this test in the left tail, right tail, or both tails?
disks of polycarbonate plastic from a supplier are analyzed for scratch and shock resistance. the results from 100
josh hamilton of the texas rangers had the highest batting average in the 2010 major league baseball season. his
on august 26 2011 metro transit reported that 13 of the vikings fans travel to metrodome on the hiawatha light-rail
No more than 36% of the monthly gross income. what is the maximum monthly mortgage loan payment for which shawn can be approved?
What is the range of temperatures and What is the range of temperatures and what are the effects of the potential failure?
an economist states that 10 of springfields labor force is unemployed. a random sample of 400 people in the labor
a doctor is trying to determine whether her patients prefer a male nurse or a female nurse. after asking 25 male
4th graders in the US take a standardized test for math. The national average score is 237. Did your state, as represented by your students, out perform the national average using a statistically significant measure?
In1990, 5.8% ofjob applicants whowere testedfor drugsfailed thetest.
the age distribution of students at a community college is given below. age years number of students f under 21 2065
Compute the 95% confidence interval around the mean of each of the three groups and plot the confidence interval in the space provided above.
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