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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
find the max likelihood estimates for theta1 u and theta2 gamma2 if a random sample of size 15 from nu gamma2 yileded
He observes how many people play on each court on a particular day. Compute the expected value for the data shown below.
Obtain the simple linear regression equation, then analyze the residuals by (a) constructing a histogram
a manufacturer wants to increase the absorption capacity of a sponge. based on past data the average sponge could
The Dean is hanging his head in shame. He realizes his failings in designing an adequate research design to assess the effects of the move on majors and has revised the proposal.
Assume the probability that you will make a sale on any given telephone call is 0.11. Find the probability that you make your first sale on the fifth call, make your sale on the first, second, or third call, and do not make a sale the first three ..
At 0.05 significance level, is there a difference in the mean number of defects per shift? Assume that the populations are approximately normally distributed and the variances are equal.
The mean assembly time for a random sample of 24 carts, using the new method, was 40.6 minutes, and the standard deviation of the sample was 2.7 minutes.
How do you set up SPSS to find descriptives for the perceived learning variable for each gender?
The variance of some data is 37.33 what is the standard deviation?
you have been recently hired as a marketing analyst in an advertising agency. you are assigned the task of assessing
suppose iq scores were obtained from randomly selected twins. for 20 such pairs of people the linear corelation
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