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Refer to the belief in afterlife example in Section 6.1.4.a. Estimate the probability of response "yes" for black females. b. Describe the gender effect by reporting and interpreting the estimated conditional odds ratio for the (i) "undecided" and "no" pair of response categories, (ii) "yes" and "undecided" pair.
recent recommendations suggest 60 minutes of physical activity per day. a sample of 50 adults in a study of
I suspect that around 75% of my students will come to class each day (except for the exam dates.). How large sample do I need to ensure a 94% confidence with a margin of error of no more than 3%.
A researcher selected a sample of 50 residents from each of three different cities to determine if they were willing to participate in a medical experiment. At a = .05, test the claim that the proportions who will participate are equal.
If she performs 15 demonstrations this week, what is the probability of her being satisfactory? What is the probability of between 4 and 8 (inclusive) orders?
refer to the following anova
Construct a probability for the number of students in the sample who watch soap operas.
One question that I have is: Will these sample statistics accurately estimate the purchasing habits of all our customers? Can you share some of your thoughts on that question? Why or why not?
Construct a 95% confidence interval estimate for the proportion of Americans who decided what to make for dinner either at the last minute or that day.
A researcher randomly assigns 12 participants to one of three weight-loss conditions (A-diet, B-exercise, C-medication). The researcher obtains the following data: What is the values of SStotal
If 50 cups of coffee were measured, what is the probability that: The sample mean per cup is less than 7.8 ounces?
You have been given a report that presents two regression models with different numbers of independent variables. You do not have the data so you cannot re computed regression models. Nevertheless, you have been asked to find out which model is b..
A social scientist believes that university theology professors are more conservative in political orientation than their colleagues in psychology
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