statistics

5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the Pearson’s r and coefficient of determination for the following relationships.
a. Between the IQ and psychology scores
b. Between the IQ and statistics scores
c. Between the psychology scores and statistics scores.
Student number IQ Psychology Statistics
101 142 49 49
102 100 30 32
103 103 36 38
104 121 44 41
105 120 35 42
106 115 47 43
107 101 37 35
108 109 45 47
109 111 30 43
110 115 49 46

  1. 👍 0
  2. 👎 0
  3. 👁 258
  1. Have you used a web-calculator?

    http://www.google.com/search?client=safari&rls=en&q=CORRELATION+CALCULATOR&ie=UTF-8&oe=UTF-8

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. statistics

    Suppose that the average score on the GMAT exam is 500 and that the standard deviation of all scores is 100 points. You would expect approximately 95% of all GMAT scores to be between

    asked by thomas on July 24, 2013
  2. Statistics

    In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a

    asked by Jannel on February 1, 2009
  3. statistics

    Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

    asked by Ab on July 13, 2010
  4. Statistics

    WEB CALCULATOR EXERCISE Descriptive Statistics 1 The table below presents data for a sample of people who completed a religious survey. Age Gender Denomination Church Attendance 56 1 7 4 46 2 6 5 49 2 6 5 49 1 1 5 27 2 9 5 51 1 4

    asked by Joe on January 28, 2014
  1. Stats

    Suppose the scores of students on an exam are Normally distributed with a mean of 297 and a standard deviation of 66. Then approximately 99.7% of the exam scores lie between the numbers _____and _______such that the mean is

    asked by Please and Thank you!!! on October 27, 2014
  2. Math

    Ten students achieve the following test scores on an exam: 78, 69, 45, 89, 74, 37, 99, 77, 100, 82. What is the interquartile range of these scores?

    asked by Sheila on April 17, 2017
  3. statistics

    Ten members of a fraternity take a statistics course. Here are their scores on the first exam in the course. 61,74,47,60,62,63,65,79,55,85. In all 135 students took the exam. The third quartile for all 135 scores was 69. How many

    asked by Victor on December 9, 2013
  4. Stats

    A sociology professor assigns letter grades on a test according to the following scheme. A: Top 14% of scores B: scores below the top 14% and above the bottom 55% C: scores below the top 45% and above the bottom 17% D: scores

    asked by Benjamin on October 14, 2017
  1. Statistics

    5. Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. a. What is the probability that a randomly selected exam will have a score of at least 71? b. What

    asked by Zac on March 5, 2012
  2. statistics

    Scores from a statistics exam are reported as deviation scores. Which of the following deviation scores indicates a higher position in the class distribution?

    asked by michelle on December 6, 2012
  3. statistics

    The data below are the final exam scores of 10 randomly selected statistics students and the number of hours they studied for the exam. Calculate the correlation coefficient r.

    asked by milly on September 28, 2011
  4. math

    Maria has the following scores on exams in her social studies class 86, 75, 97, 58, 94, and 58 A. find the mean, median, and mode of the scores. B. Should Maria's social studies teacher use the mean, median, or mode of the exam

    asked by FluttershyK22 on April 26, 2016

You can view more similar questions or ask a new question.