Explore BrainMass
Share

Explore BrainMass

    Inferential Statistics

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    . Individual Assignment: Inferential Statistics
    · Access the University of Phoenix Material, "Data for Inferential Practice Problems." Continue using the information from Inferential Practice Problems Part I and determine the following using the Excel® Analysis ToolPak? when necessary:

    · Calculate all measures of central tendency for data that are interval or ratio in measurement

    · Calculate the standard deviation for data that are interval or ratio in measurement

    · Assume this is a sample of students, calculate a t-test that compares boys and girls on the number of absences (you can assume equal variances). Is there a significant difference in absences between gender?

    · Assume this is a sample of students and that students receive an A grade if their score is 90 or above. Calculate a chi-square test to determine whether girls achieve more A grades than boys in math. Calculate a chi-square test to determine whether girls achieve more A grades than boys in reading

    © BrainMass Inc. brainmass.com October 9, 2019, 11:56 pm ad1c9bdddf
    https://brainmass.com/statistics/descriptive-statistics/inferential-statistics-272847

    Attachments

    Solution Summary

    Step by step solutions to all the problems are provided.

    $2.19