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The accompanying table is from a study conducted with the stated objective of addressing cell phone safety by understanding why people use a particular ear for cell phone use. The goal was to determine whether the ear choice is associated with auditory or language brain hemispheric dominance. Assume that one wants to test the claim that handedness and cell phone ear preference are independent of each other. Complete parts (a) and (b) below. 0 Right-Handed Left-Handed Right Ear 406 18 Left Ear 168 57 No Preference 38 4 a. Use the data in the table to find the expected value for the cell that has an observed frequency of 4. The expected value is (Round to three decimal places as needed.) b. What does the expected value indicate about the requirements for the hypothesis test? Because the requirements for the hypothesis test the expected frequency of a cell is at least 5, the expected frequency of a cell is less than 5, the sample data are not randomly selected, the sample data are not frequency counts in a two-way table, the sample data are frequency counts in a two-way table, the sample data are randomly selected, satisfied.

The accompanying table is from a study conducted with the stated objective of addressing cell phone safety by understanding why people use a particular ear for cell phone use. The goal was to determine whether the ear choice is associated with auditory or language brain hemispheric dominance. Assume that one wants to test the claim that handedness and cell phone ear preference are independent of each other. Complete parts (a) and (b) below. 0 Right-Handed Left-Handed Right Ear 406 18 Left Ear 168 57 No Preference 38 4 a. Use the data in the table to find the expected value for the cell that has an observed frequency of 4. The expected value is (Round to three decimal places as needed.) b. What does the expected value indicate about the requirements for the hypothesis test? Because the requirements for the hypothesis test the expected frequency of a cell is at least 5, the expected frequency of a cell is less than 5, the sample data are not randomly selected, the sample data are not frequency counts in a two-way table, the sample data are frequency counts in a two-way table, the sample data are randomly selected, satisfied.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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The accompanying table is from a study conducted with the stated objective of addressing cell phone safety by understanding why people use a particular ear for cell phone use. The goal was to determine whether the ear choice is associated with auditory or language brain hemispheric dominance. Assume that one wants to test the claim that handedness and cell phone ear preference are independent of each other. Complete parts (a) and (b) below. Right-Handed Left-Handed Right Ear 406 18 Left Ear 168 57 Jhy No Preference 38 4 a. Use the data in the table to find the expected value for the cell that has an observed frequency of 4. The expected value is (Round to three decimal places as needed.) b. What does the expected value indicate about the requirements for the hypothesis test? Because the requirements for the hypothesis test the expected frequency of a cell is at least 5, the expected frequency of a cell is less than 5, the sample data are not randomly selected, the sample data are not frequency counts in a two-way table, the sample data are frequency counts in a two-way table, the sample data are randomly selected, satisfied. C
Transcribed Image Text:The accompanying table is from a study conducted with the stated objective of addressing cell phone safety by understanding why people use a particular ear for cell phone use. The goal was to determine whether the ear choice is associated with auditory or language brain hemispheric dominance. Assume that one wants to test the claim that handedness and cell phone ear preference are independent of each other. Complete parts (a) and (b) below. Right-Handed Left-Handed Right Ear 406 18 Left Ear 168 57 Jhy No Preference 38 4 a. Use the data in the table to find the expected value for the cell that has an observed frequency of 4. The expected value is (Round to three decimal places as needed.) b. What does the expected value indicate about the requirements for the hypothesis test? Because the requirements for the hypothesis test the expected frequency of a cell is at least 5, the expected frequency of a cell is less than 5, the sample data are not randomly selected, the sample data are not frequency counts in a two-way table, the sample data are frequency counts in a two-way table, the sample data are randomly selected, satisfied. C
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