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Tony, a single parent, spent $3,600 on after-school care for his six-year-old son. Tony received $1,200 as aid to families with dependent children from the State Department of Social Services (DSS) for child care as part of the welfare assistance program in which he is enrolled. In determining his child-care credit, how much of the DSS payments are included in gross income, and what is the amount of Tony's child-care costs for computing the child-care credit?
two hundred students are enrolled in an economics class. after the first examination a random sample of 6 papers was
A survey of 125 families asked whether the household had Internet access. Each family was classified by race. The contingency table is shown here.
a bag contains ten transistors of those transistors three are defective. if at random we select two transistorsa find
If alpha level is changed from a = 0.05 to a = 0.01. What occurs to boundaries for critical region?
What is the approximate probability that the average weekly postage expense for the past 52 weeks will exceed the budgeted amount of $ 400?
suppose that a random sample of size 25 is to be selected from a population with mean 41 and standard deviation 9. what
List 4 variables that you might assess in a research project related to your research area. List one for each type of measurement scale: Nominal, ordinal, interval, and ratio
consider the linear model for the randomized complete block design with a3 and b4. give the normal equation for this
an investigator hypothesizes that cholesterol levels in children might be effected by educating their parents on proper
Why might the assumption of independence be violated? (b) Why might a driver be tempted not to use a seat belt "just on this trip"?
when testing a claim about a population mean with ? known either or both of these conditions is satisfied the
A researcher wants to know if there is a relationship between the number of shopping centers in a state and the retail sales (in billions $) of that state. What is the equation of the regression line
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