Strengths and weaknesses of correlational and regression
What are the strengths and weaknesses of correlational and regression studies. What are the concepts of positive and negative correlations, correlation coefficients, confounding, and causality.
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For a population with a mean of =80 and a sd =12, find the z-score corresponding to each sample mean.
Assume a linear velocity distribution in the oil film and neglect the cord weight, pulley friction and air resistance.
A farmer wants to fence an area of 1.5 million square feet in a rectangular field and then divide it in half with a fence parallel to one of the sides of the rectangle. How can he do this so as to minimize the cost of the fence?
The number of power outages at a nuclear power plant has Poisson distribution with a mean of 0.8 outage per month. What is probability that there will be at least 3 power outages in the next year? Please show your working.
You run a small furniture business. You sign a deal with a customer to deliver up to 400 chairs, the eact price to be determined by the customer later.
A 6.0 mC charge is placed at the origin and a second charge is placed on the x-axis at x = 0.30 m. If the resulting force on the second charge is 5.4 N in the positive x-direction, what is the value of its charge?
A population of scores with mu = 50 and sigma = 6. The distribution of sample means based on samples of n=36 deleted from a population with sigma = 6 and mu = 50
A piece of wire 22 m long is cut into two pieces. One piece is bent into a square and the other is bent into a circle. (a) How much wire should be used for the square in order to maximize the total area?
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Your perspective on witness testimony and memory retention is quite insightful. It highlights the complexities of human memory
Describe characteristics of your field placement at Open Arms Family Services: The agency (including short history, mission, values, and goals)
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In 125 of my own words, when I reflect on validity in quantitative research, I see how it helps make findings trustworthy and useful.
Submit a 2- to 3-page paper that responds to the following: For the article set: In one brief paragraph, identify from the original, peer-reviewed research stud
Question: What is the relationship between social media and mental health? From this point please focus on a specific mental health condition
In 150 of my words, how do self report biases and social desirability threaten validity in substance abuse research, and how can they be mitigated?