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Question: Johnson, Koch, Fallow, and Huwe (2000) conducted a study of mentoring in two types of psychology doctoral programs: experimental and clinical. Students who graduated from the two types of programs were asked whether they had a faculty mentor while in graduate school. In response, 48.00% of clinical psychology students who graduated between 1945 and 1950 and 62.31% who graduated between 1996 and 1998 reported having had a mentor; 78.26% of experimental psychology students who graduated between 1945 and 1950 and 78.79% who graduated between 1996 and 1998 reported having had a mentor.
a. What are the two independent variables in this study, and what are their levels?
b. What is the dependent variable?
c. Create a bar graph that depicts the percentages for the two independent variables simultaneously.
d. What story is this graph telling us?
e. Was this a true experiment? Explain your answer.
1.at what age do babies learn to crawl? does it take longer to learn in the winter when babies are often bundled in
reported crimes are believed to occur at random at different rates for different types of crime. the incidence rate for
suppose that a data set has a minimum value of 24 and a maximun of 79 and that you want 5 classes. explain how to find
Assuming that the observations come from a normal distribution with mean µ, test H0: µ = .5 against HA: µ > .5 using a level .1 test. Compute a P-value?
question 1using the telephone numbers listed in your local directory as your population randomly obtain 20 samples of
He made this decision based on a test using α = 0.05. Would he have made the same decision at α = 0.01? How about α = 0.01? Explain.
fifteen tobacco plants of the same age and genetic strain were randomly assigned to three groups of five plants each.
A manufacturer produces a batch of memory chips (RAM) and measures the mean-time-between-failures (MTBF). The manufacturer then changes a manufacturing process and produces another batch and again measures the MTBF.
At the .05 significance level, can we conclude that the mean waiting time is less than 3 minutes?
Identify your topic If you have a professional persuasive presentation pending, if you have delivered one you would like to improve, or if you have a presentation topic you want to deliver please consider using it for the course assignment.
A low number of checks (
The probability of accepting a lot that is 10% defective is .677. Does that mean, then, that the probability of rejecting the lot is 0.333?
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