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Question: Univariate Data Classifications A set of observations is obtained as indicated below. In each case, classify the resulting data set as categorical or numerical. If the data set is numerical, determine whether it is discrete or continuous.
a. The lengths of the spans of bridges in New York State.
b. The number of people hired by a company during certain weeks.
c. The cloud ceiling at airports around the country.
d. The temperature of the coffee purchased at several fast-food restaurants.
e. The type of notebook used by students in a statistics class.
f. The classifications of Forward Operating Air Force bases (Main Air Base, Air Facility, Air Site, or Air Point).
Construct and interpret a 95% prediction interval fo the proceeds when the number of issues is 578.
A sample of 30 students are tested (sample mean=58, standard error=3.2). Compute a 99 percent confidence interval based on this sample's data. How do these students compare to the national sample?
High precision titanium spheres are popular components in manufacturing of ball bearings. A factory has ordered a shipment of 5000 titanium spheres from aboard. It is found that the shipment has a mean radius of 1.5 cm with a standard deviation ..
seventy-eight percent of the light aircraft that disappear while in flight in a certain country are subsequently
a bridge culvert is designed to pass a stream discharge with an annual exceedance probability of 0.02 without
When studying the simultaneous responses to two categorical questions, we should set up a:
what is the value of the t score for a 98 confidence interval if we take a sample of size 22?a. 2.845b. 2.518c. 2.861d.
A computer diskette manufacturer is concerned that some diskettes have bad sectors that would cause a diskette to hold less information than it was intended to hold.
How large a sample do the buyers need in order to be 95% confident that the margin of error of their estimate is about 5%?
Bond Prices [ LO2] Ninja Co. issued 14- year bonds a year ago at a coupon rate of 6.9 percent. The bonds make semiannual payments. If the YTM on these bonds is 5.2 percent, what is the current bond price?
Under what conditions is the central limit theorem most useful in sampling to estimate the population mean?
How would you characterize the theatre lobby as far as its potential for audience socializing before and after the show and during intermission(s)?
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