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The primary difference between an ordinal level and inteval level variable is:
A. an ordinal level variable has a meaningful zero point while the inteval level variable has no zero point
B. an interval level variable has an assumed equal distance between values while an ordinal level only displays an odered list
C. an interval level variable and an ordinal level variable can be considered the same except that an interval level variable has a meaningful zero point
The number of degrees of freedom for the appropriate chi-square distribution in a test of independence is:
The mean weight of trucks traveling on the the highway is unknown. A state highway inspector needs an estimated mean. He selects 49 trucks passing the weighing station and gets a mean of 15.8 tons
List one unclear concept regarding regression and provide an example from your personal or work life where regression could be used to show a relationship between two variables.
a bank has the following data on the gender and marital status of 200 customers: single 20 male 30 female, married male 100 female 50,
How likely is it that the store owner will make at least $7,000 if she implements your suggestion?
Discuss whether the percent distribution of the cross-tab and chi-square supports/does not support the researcher's hypothesis.
What is the approximate estimated bootstrap standard error of the median, What is the approximate bias of the median estimated from bootstrapping - What is the bootstrap t confidence interval for the median
A tetrahedron is a fully-symmetric pyramid-like solid, with four faces made up of equal-sized equilateral triangles. Suppose that the four faces contain different number of spots, from one spot to four spots, so that the tetrahedron may be rolled ..
Confirm that these statements are accurate by finding the geometric mean rate of increase.
The expense ratio of a mutual fund measures the percentage of the fund's assets used to pay for annual administrative overhead. Funds with higher ratios spend more of the fund's return to operate the fund.
What is the probability that no requests for assistance are in the system? What is the average number of requests that will be waiting for service? What is the average waiting time in minutes before service begins?
A Pew research study recently randomly selected two groups of people, men and women and asked them if they agree with the following statement:
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