Statistics for The Behavioral Sciences (MindTap Course List)
Statistics for The Behavioral Sciences (MindTap Course List)
10th Edition
ISBN: 9781305504912
Author: Frederick J Gravetter, Larry B. Wallnau
Publisher: Cengage Learning
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Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of tw…
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency o…
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow compar…
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Textbook Question
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Chapter 2, Problem 17P

  1. Complete the final! two columns in the following frequency distribution table and then find the percentiles and percentile ranks requested:

    X f cf c%
    5 2
    4 5
    3 6,
    2 4
    1 3

  1. What is the percentile rank for X = 2.5?
  2. What is the percentile rank for X = 4.5?
  3. What is the 15th percentile?
  4. What is the 65th percentile?

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Chapter 2 Solutions

Statistics for The Behavioral Sciences (MindTap Course List)

Ch. 2 - Place the following set of n = 20 scores in a...Ch. 2 - Construct a frequency distribution table for the...Ch. 2 - Find each value requested for the distribution of...Ch. 2 - Find each value requested for the distribution of...Ch. 2 - For the following scores, the smallest value is X...Ch. 2 - The following scores are the ages for a random...Ch. 2 - For each of the following samples, determine the...Ch. 2 - What information is available about the scores in...Ch. 2 - Describe the difference in appearance between a...Ch. 2 - For the following set of scores: 5, 9, 6, 8, 7, 4,...
Ch. 2 - A survey given to a sample of college students...Ch. 2 - Gaucher, Friesen, and Kay (2010) found that...Ch. 2 - Find each of the following values for the...Ch. 2 - Place the following scores in a frequency...Ch. 2 - For the following set of scores: 9, 6, 7, 5, 4,...Ch. 2 - Recent research suggests that the amount of time...Ch. 2 - Complete the final! two columns in the following...Ch. 2 - Complete the final two columns in the following...Ch. 2 - The following table shows four rows from a...Ch. 2 - The following table shows four rows from frequency...Ch. 2 - The following table shows four rows. from a...Ch. 2 - 22. The following table shows four rows. from a...Ch. 2 - Construct a stem and leaf display for the data in...Ch. 2 - A set of scores has been organized into the...Ch. 2 - Use a stem and leaf display to organize the...
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