6) Identify if the following requires one-tailed or two-tailed test. Write O if one-tailed, T if two-tailed: 1. A researcher claims that the brightness of light affects learning 2. A food additive enhances food flavor 3. A study habit improves the memory 4. Health is related to lifestyle 5. People's culture afects tourism 6. Eight hours of sleep boosts energy the next day 7. A certain tea influences alertness while driving 8. Lowering the brightness of cellphone lengthens its battery life 9. Temperature has an effect on plant growth 10.Walking daily lessens stress level

6) Identify if the following requires one-tailed or two-tailed test. Write O if one-tailed, T if two-tailed: 1. A researcher claims that the brightness of light affects learning 2. A food additive enhances food flavor 3. A study habit improves the memory 4. Health is related to lifestyle 5. People's culture afects tourism 6. Eight hours of sleep boosts energy the next day 7. A certain tea influences alertness while driving 8. Lowering the brightness of cellphone lengthens its battery life 9. Temperature has an effect on plant growth 10.Walking daily lessens stress level

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2BGP

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(6) Identify if the following requires one-tailed or two-tailed test. Write O if one-tailed, T if two-tailed: 1. A researcher claims that the brightness of light affects learning 2. A food additive enhances food flavor 3. A study habit improves the memory 4. Health is related to lifestyle 5. People's culture afects tourism 6. Eight hours of sleep boosts energy the next day 7. A certain tea influences alertness while driving 8. Lowering the brightness of cellphone lengthens its battery life 9. Temperature has an effect on plant growth 10.Walking daily lessens stress level

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