PSY/315 March 4, 2013 Chapter 4 Practice Problems (11) List the five steps of hypothesis testing, and explained the procedure and logic of each. 1) Restate the research question; specify the null theory about the populations. State the null theory and the alternate theory Null: Ho: Alteration: Ha: 2) Determine the features of the compared distribution. Define the level of significance, using type 1 errors; identify sample size using data and resources that are available. 3) Define the
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Week 4 Individual Assignment Erwin O. Raymer III PSY/315 Jan. 13th 2014 Jennifer Lapin Week 4 Individual Assignment The five steps of hypothesis testing consist of the following. Restate the question as a research hypothesis and a null hypothesis. This is where an individual would make a research hypothesis, which is basically a prediction intended to be tested in a research study. This prediction is usually based on the researcher’s theory. A null hypothesis
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PSY/315 March 18, 2013 Chapter 7 14.) Evolutionary theory often emphasizes that human have adapted to their physical environment. One such theory hypothesizes that people should spontaneously follow a 24-hour cycle of sleeping and waking-even though they are not exposed to the usual pattern of sunlight. To test this notion, eight paid volunteers were placed (individually) in a room in which there were no light from outside and no clocks or other indications of time. They could turn the lights
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Madame President Herrera, Now that you have learned how the Justices can influence the decision-making process and have learned how the nomination process essentially works, we now want to turn to an area that she will want to be weary of when choosing two particular nominees. We call this area that you want to watch out for “red flags.” There are many different red flags that can indicate a potential nominee is going to not be the right choice. First, as the president she will want to check
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Statistics for Psychology Mary Hale 7/8/2013 PSY 315 Dr. Ellis-Morris Prepare a written response to the following assignments located in the text: Ch. 1, Practice Problems: 12, 15, 19, 20, 21, & 22 (12) Explain and give an example for each of the following types of variables: A) equal interval- A variable whose value is not known and can take on different values. For example 0 degrees
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Question 3 a) Although all the ratings are measured based on the same scale (thus, same unit), the scores of the variables have various means and standard deviations, indicating that the rating of each variable distributes differently from one another on the scale. Standardizing the data makes the means of the variables equal to zero and standard deviations to one. The standardization realizes the subsequent analysis of the correlation matrix and makes it easier to interpret the principal components
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Based on the experiment illustrated in the picture and the experiment that I conducted, I concluded to the following results. The probability of getting a possible 3 if we roll one die, is 1/6 as the die has 6 sides and the number 3 is only in 1 side of the die. Although, if we roll two dice, the probability of getting a possible 3 in at least one die, is twice as likely to occur with a chance of 1/6 in the one die plus 1/6 on the other, which is equal to 2/6 for both dice and therefore simplified
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As we begin this project we start with simply placing the four pedals in the correct order onto the pedal board. The placements of these pedals are critical. If we place them in the wrong spot the pedals will not have their full sound potential. The first pedal that must be placed is the Noise Reduction pedal. This pedal muffles unwanted feedback and humming that would initially come from our amp when we have the sound cranked up for live performances. The pedal placement for this pedal is very important
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11. | For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation: 2, 2, 0, 5, 1, 4, 1, 3, 0, 0, 1, 4, 4, 0, 1, 4, 3, 4, 2, 1, 0 | | A. The mean is 2 B. The median is 2 C. The sum of deviation is 56 D. Variance is 2.667 E. The standard deviation xavg is 2 12. | For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation: 1,112; 1,245; 1
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Chapter 2 Practice Problems 11, 12, 13, 16, 21 11. 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 4, 4, 5 (numbers in order) (a) 2 (b) 2 (c) 56 (d) 2.666 or 2.7 rounded o nearest tenth (e) 1.632 or 1.6 to the nearest tenth 12. 1,112 1,245 1,361 1,372 1,472 (a) 1,312.4 (b) 1,361 (c) 76,089.2 (d) 15,217.84 or 15,217.8 to the nearest tenth (e) 123.361 or 123.4 to the nearest tenth 13. 2.6, 3.0, 3.2, 3.3, 3.4, 3.5 (numbers in order) (a) 3.166 (b) 3.25 (c) .5333 (rounded) (d)
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