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The National Center for Education Statistics monitors many aspects of elementary and secondary education nationwide. Their 1996 numbers are often used as a baseline to assess changes. In 1996, 31% of students reported that their mothers had graduated from college. In 2000, responses from 8368 students found that this figure had grown to 32%. Is this evidence of a change in education level among mothers?
a) Write appropriate hypotheses.
b) Check the assumptions and conditions.
c) Perform the test and find the P-value.
d) State your conclusion.
e) Do you think this difference is meaningful? Explain.
Research question : At α = . 01, is degree of certainty independent of credits earned?
At 95% confidence, test to determine if more than 21% of the population will like the new soft drink.
The graphic rating scale system is a very common approach to performance appraisal. It is simple to implement and to use, but tends to be very subjective. For instance, on a scale from 1 to 5 for a certain characteristic, 4 means good.
I want to see two methods are the significantly same or not. Each methods has 5 variables are inside. so I would like to see each 5 variables from methods A and B are significantly the same and overall the two methods are significantly same or not..
You will be using the 10 scholarly resources (empirical articles or dissertations) and a draft of your 10 Strategic Points starting Tuesday to work on developing or revising your 10 Strategic Points and applying them to your Prospectus or Proposal..
What is the probability that an acid solution made by the foregoing procedure will satisfactorily etch a tray? What would the answer to part (a) be if α = 1 and β = 2?
Do you think this sample could be used to estimate the percentage of college students who think they don't get enough sleep each night? Why or why not?
three identical chips each with 0 on one side and 1 on the other are to be tossed simultaneously.a. writes the sample
If the design calls for specifications on the surface area to be 20 ±0.4, what proportion of the cells will be unacceptable assuming normality?
the p-value for testing the hypoteheses h0 ? 30 versus ha ? gt 30 isnbsp0.032.does thenbsp95nbspconfidence interval
What is the 95% Confidence Interval for the true population slope between Wins and Saves and what is the standard error of the estimate and what are its units?
Two hundred seeds of such a cross are raised, and 142 turn out to be blue-flowering. Are the data consistent with the model?
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