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Question: The 2000 National Doctoral Program Survey asked 32,000 current and recent PhD students in the United States, across all disciplines, to respond to the statement "I am satisfied with my advisor." The researchers calculated the percentage of students who responded "agree" or "strongly agree": current students, 87%; recent graduates, 86%; former students who left without completing the PhD, 48%.
a. Use a software program that produces graphs (e.g., Excel, SPSS, Minitab) to create a bar graph for these data.
b. Play with the options available to you. List aspects of the bar graph that you are able to change to make your graph meet the guidelines listed in this chapter. Be specific, and include the revised graph.
Conduct a PsycINFO search to find information on the construct validity of a psychological measure.- Read about a measure that interests you and describe the reliability and validity research reported.
There is a program for STD/HIV/pregnancy education/prevention called Postponing Sexual Involvement (PSI) run in Atlanta. Evaluation data collected at the end of ninth grade as a follow-up to the program compared two group of adolescents
In the order of operations Pemdas requires that exponentation takes precedence over multiplication, so we cannot multiply 4*2 without first evaluating 2^x, but we could divide both sides by 4.
A cigarette manufacturer wants to test the claim that the variance of the nicotine content of its cigs. is 0.644 milligram. Assume that it is normally distributed.
the width of a confidence interval is defined to be the upper bound of the confidence interval minus the lower bound of
The membership for the club this year isobserved to be 14 freshman, 19 sophomores, 51 Juniors and 16Seniors. At 95% level of confidence, test the advisors belief..
the percentage of people exposed to a bacteria who become ill is 20. assume that people are independent. assume that
in a gallop poll of 1005 randomly selected americans in april 2006 482 responded yes to the question do you consider
Suppose the assembly times follow normal distribution. Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
Using Coefficient of Variation determine in which year do the ages show a more dispersed distribution? Show your complete work and support your answer.
the number of people living in a hypothetical large canadian city is reported by age groups in the following table.age
The standard deviation of the ages of a sample of 21 executives from the northern states was 8.4 years; while the standard deviation of the ages of a sample of 30 executives from southern states was 12.8 years.
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