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A sample of 400 Regina households is selected and several variables are recorded. Which ofthe following statements is correct?
a) Total household income (in $) is interval level data.
b) Socioeconomic status (recorded as "low income", "middle income", or "high income"is nominal level data.
c) The number of people living in a household is a discrete variable.
d) The primary language spoken in the household is ordinal level data.
e) None of the above.
Each of four tasters picks one coffee anyway (not knowing which is which, because the coffee is in identical cups). What is the probability that a) All four tasters choose Tasty Bean?
Give an example of a single polynomial with degree 3, whose value is 4 when the variable is equal to 1. Give an example of a single polynomial with degree 3, whose value is 29 when the variable is equal to 2.
in the following problem check that it is appropriate to use the normal approximation to the binomial. then use the
The sample mean of the number of spots on the 6000 rolls, should be about If this die is rolled 6000 times, the number of times we get a 2 or a 3 should be about
channel 9 television in colville washington recently conducted a study of television news viewers. one item of interest
in 1990 the mean height of women 20 years old age or older was 63.7 inches with a standard deviation of 2.1 inches
1. a psychology instructor asked the 100 females in her class to rate their intelligence on a scale of 1 to 10. the
because the ta distribution is based on hundreds of students we are willing to regard it as a fixed probability
EBook is a digital book provider that sells their downloaded product through both Anason and Bairnes-Nolb. Anason requires that EBook use a different format than they use for Bairnes-Nolb.
A company has collected the following data from the purchase and use of heating fuel from its Business Statistics department for inventory management of the previous year:
according to a recent national survey high school girls average 100 text messages daily. assume the population standard
Describe the statistics (i.e. media, standard deviations, frequency, etc.) for each variable and items included in the study (197) through excel.
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