A machine produces 3 inch nails a sample of 100 nails is
A machine produces 3 inch nails. A sample of 100 nails is selected, and it is found that 25 are shorter than 3 inches. Find the 95% confidence interval on the proportion of all such nails that are shorter than 3 inches.
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In a national wide survey a researcher expects 30 percent of the population will agree with an value statement. He wishes to have less than 2% error and 95% confident. What sample size is needed?
A researcher expects the population proportion of the Cubs Fans in Chicago to be 80%. Error of less than 5% confident of an estimate to be made from a mail survey. What is the sample size required?
From your own readings, study, and personal experience, contrast the living conditions of people living in post-industrial countries (e.g., the United States) with those in pre-industrial or emerging countries.
Survey to determine what proportion of new car buyers continue to have their car serviced at the dealership after warranty ends. Estimates 30% of customer do so.
When estimating the mean of a population, how large must the sample be in order that the 95% error margin is 1/8 the standard deviation?
I want to know whether the StdError of the fitted score (SEYhat) can be legitimately interpreted normally for N=1 subject, with only one plotted Y score for each X value.
How did the process of industrialization affect the nature of the industrial relationship between workers and their employers?
Assess the impact of an event on a population. I ran a survey before the event and then I ran the survey after the event. The collected responses matched between prior to the event and after. I used paired t-test to determine if the event had a posit
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The therapeutic alliance is a foundational element of effective mental health treatment and is especially critical during the first therapy session.
Assist to respond professionally and with empathy to this mail from the student, to reassure him that I'm thankful for the email and has no anger
Can you describe how rehabilitation programs (such as education, skills training, or psychosocial interventions) are currently implemented
A very important component of successful psychotherapy is that of the "therapeutic alliance." This is even more important during the initial therapy session,
Describe the social psychological approaches used in each of the chosen studies and justify why you believe that authors of the studies used these approaches.
Using the module readings, develop a way to explore your research question using qualitative research. What type of qualitative research could be used
Write a comment based upon this: Along with interest, the degree to which we value an activity can determine how motivated we are