1. Below are the number of hours spent by teachers and students in using gadgets daily. A sample of 13 teachers and 12 students were selected at random to participate in the study. Using 5% level of significance, test if there is a significant difference on the average hours spent by teachers and students. 10 9 8 8 Teacher 5 6 4 7 9 5 6 7 6 Student 79 10 5 4 6 8 8 9 7 5 6

1. Below are the number of hours spent by teachers and students in using gadgets daily. A sample of 13 teachers and 12 students were selected at random to participate in the study. Using 5% level of significance, test if there is a significant difference on the average hours spent by teachers and students. 10 9 8 8 Teacher 5 6 4 7 9 5 6 7 6 Student 79 10 5 4 6 8 8 9 7 5 6

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 3E

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