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Restate each of the following research questions as questions about behavioral variability.
a. Does eating too much sugar increase children's activity level?
b. Do continuous reinforcement schedules result in faster learning than intermittent reinforcement schedules?
c. Do people who are depressed sleep more or less than those who are not depressed?
d. Are people with low self-esteem more likely than those with high self-esteem to join cults?
e. Does caffeine increase the startle response to loud noise?
What is the probability that out of 100 unrelated individuals, exactly 2 are born on January 17? (You may assume equal birth probabilities for each day in the year, and that a year has 365days)
Consider a four digit uniform random number generator; as in each of the 10,000 values 0.0000 through 9999 is equally likely. Find the mean and variance of the values produced by such a random number generator.
Comparing dexterity-test scores of workers on the day shift versus those on the night shift, the production manager of a large electronics plant finds that a sample of 37 workers from the day shift have an average score of 73.1, with a standard..
In your research, you may find that you must compare the means of two sample populations related to one particular variable. For example, you may have population samples from two ethnic groups that you wish to compare against income level. In these c..
when a result is not extreme enough to reject the null hypothesis explain why it is wrong to conclude that your result
more genetics. in problem 33 we learned that for some diseases such as sickle cell anemia an individual will get the
(AT) What is the correlation between the participants' correct number of responses after taking the placebo and their correct number of responses after taking 0.60 mg/kg of MPH? Compute the 95% confidence interval on the population correlation
Suppose that the coin ?ipped on Monday comes up heads. What is the probability that the coin ?ipped on Friday of the same week also comes up heads?
Calculate the expected revenue from a first-price auction as a function of the reserve price.
Do these data provide sufficient evidence to reject the claim made by Creative Good? Two sample F-test for the ratio of population variances
A market analyst believes that more than 30% of the adults in a certain area regularly read a certain magazine. What are the appropriate statistical hypotheses.
the claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.30 and the sample
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