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A researcher wants to know whether people who own dogs are less likely to visit their doctor. A sample of dog owners is compared to a similar group of people (matched for age and health) who are not dog owners. The researcher records the number of visits to the doctor during the past two years for each person. The data is analyzed using SPSS and the following output is obtained: Group Statistics Dog Ownership Std. Deviation Std. Error Mean Mean doctor_visits no dog 8. 7.8750 2.47487 .87500 dog owner 8 4.3750 2.38672 .84383

A researcher wants to know whether people who own dogs are less likely to visit their doctor. A sample of dog owners is compared to a similar group of people (matched for age and health) who are not dog owners. The researcher records the number of visits to the doctor during the past two years for each person. The data is analyzed using SPSS and the following output is obtained: Group Statistics Dog Ownership Std. Deviation Std. Error Mean Mean doctor_visits no dog 8. 7.8750 2.47487 .87500 dog owner 8 4.3750 2.38672 .84383

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
Section10.4: Distributions Of Data
Problem 19PFA
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What is the t-value rounded to two decimals?

What is your df?

What is your p-value?

What do you conclude? Are people significantly less likely to visit the doctor when they own dogs?

Independent t-test A researcher wants to know whether people who own dogs are less likely to visit their doctor. A sample of dog owners is compared to a similar group (matched for age and health) who are not of people dog owners. The researcher records the number of visits to the doctor during the past two years for each person. The data is analyzed using SPSS and the following output is obtained: Group Statistics Std. Deviation Std. Error Mean Dog_Ownership N Mean doctor_visits no dog 8 7.8750 2.47487 .87500 dog owner 8 4.3750 2.38672 .84383 Independent Samples Test Lavene's Test for Equality of Varances la for tquality of Muan OSN Confde tervalo he Dierence Mean Dierene Derence Loer Upper doctvis teal vartances aumed L000 14 L10000 Equal variances not asumed 2.479 13.982 012 1.0000 12140 6.10752
Transcribed Image Text:Independent t-test A researcher wants to know whether people who own dogs are less likely to visit their doctor. A sample of dog owners is compared to a similar group (matched for age and health) who are not of people dog owners. The researcher records the number of visits to the doctor during the past two years for each person. The data is analyzed using SPSS and the following output is obtained: Group Statistics Std. Deviation Std. Error Mean Dog_Ownership N Mean doctor_visits no dog 8 7.8750 2.47487 .87500 dog owner 8 4.3750 2.38672 .84383 Independent Samples Test Lavene's Test for Equality of Varances la for tquality of Muan OSN Confde tervalo he Dierence Mean Dierene Derence Loer Upper doctvis teal vartances aumed L000 14 L10000 Equal variances not asumed 2.479 13.982 012 1.0000 12140 6.10752
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