Topic 3 project

PSY-520 Graduate Statistics

Topic 1 – Descriptive Statistics Project

Use the following information to complete the questions below. While APA format
is not required for the body of this assignment, solid academic writing is
expected, and documentation of sources should be presented using APA formatting
guidelines, which can be found in the APA Style Guide, located in the Student
Success Center.

A researcher was interested in the anxiety present in
students just prior to the midterm exam. The research used an anxiety self-quiz
to gage the student’s anxiety. The score for 30 students are given here.

69 99 91 66 70 98 70 53 40 58
61 66 94 77 70 56 88 85 86 40
84 86 54 48 86 43 78 53 79 89
  1. Construct
    a frequency table with class, frequency, relative percent, and cumulative
    percent that has 6 classes to describe the distribution of the data in SPSS.
  2. Use
    the frequency table created in problem to construct a histogram in SPSS.
  3. Use
    SPSS to calculate the numerical descriptive statistics mean, median, standard
    deviation, and variance of the anxiety scores.


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