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Study guide for our Midterm

by: Karina Perez

Study guide for our Midterm Psych. 2317

Marketplace > South Texas College > Psychology (PSYC) > Psych. 2317 > Study guide for our Midterm
Karina Perez
South Texas College
GPA 3.5

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About this Document

This study guide covers what will be on our midterm. It's an example of questions that will be asked on the exam.
Statistical Methods in Psychology
Dr. Linda Jackson
Study Guide
Statistics, Statistical, methods, In, Psychology
50 ?




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This 2 page Study Guide was uploaded by Karina Perez on Thursday October 6, 2016. The Study Guide belongs to Psych. 2317 at South Texas College taught by Dr. Linda Jackson in Fall 2016. Since its upload, it has received 4 views. For similar materials see Statistical Methods in Psychology in Psychology (PSYC) at South Texas College.

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Date Created: 10/06/16
Stats Ch. 6 Quiz  1.  A    score of –1.0 is ________ on the standard normal curve compared to a      score of 1.0.  lower  2. For a distribution of scores, the standard deviation is 30. If we create a  distribution of means based on samples of size 10, what is the standard error? 9.49 3. Approximately ________% of scores fall between the mean and a z score of –1.  34 4. Imagine the average college student takes 140 credits to graduate, with a  standard deviation of 7 credits. Calculate Emma's z score for credits taken, given she  completed 129 hours to graduate. ­1.57 5. A distribution has a mean of 1.57 with a standard deviation of 0.24. A z score of – 0.62 converts into a score of ________, whereas a z score of 0.62 converts into a score  of ________.  1.42; 1.72 6. Approximately ________% of scores fall within 1 standard deviation from the  mean. 68% 7. A common measure of spread for a distribution of scores is the standard  deviation, and a common measure of spread for a distribution of means is the: standard error  8. The process of standardization converts individual scores from different  distributions to a shared distribution with known: percentiles  9. The ________ is a distribution composed of many sample means. distribution  of means  10. A(n) ________ is the number of standard deviation units a score is from the  mean. Z score  11. Compared to a distribution of scores, the distribution of means has less spread  because: extreme scores are averages with less extreme scores or those in the  opposite direction  12.  A     score of –1.0 is ________ on the standard normal curve compared to a        score of –2.0 .   higher  13. According to the ________, as the size of the distribution of means increases, it  assumes a normal shape.  central limit theorem  14. A z score of 0 is equivalent to the: mean  15. A distribution has a mean of 600 with a standard deviation of 50. A z score of  1.73 converts into a score of: 686.50


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