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Researchers watched groups of dolphins to determine what activities the dolphins partake in at certain times of the day. The numbers in the table represent the number of groups of dolphins that were partaking in an activity at certain times of days. Is there enough evidence to show that the activity and the time period are dependent for dolphins? Test at the 1% level. Dolphin Activity Period Activity Morning Noon Afternoon Evening Total Travel 12 42 Feed 52 84 Social 55 86 Total 119 212 6 28 27 61 8 3 2 13 16 1 2 19 State the hypotheses. Ho: Activity and the time period are Select an answer H: Activity and the time period are [Select an answer Calculate the test statistic. Round your answer to three decimal places. x² = Calculate the p-value. Round your answer to four decimal places. p-value = State your decision. Since p-value ? 0.01, Select an answer Ho- Interpret your decision in the context of the problem. At the 1% level of significance, there Select an answer time period are [Select an answer enough evidence to show that activity and the

Researchers watched groups of dolphins to determine what activities the dolphins partake in at certain times of the day. The numbers in the table represent the number of groups of dolphins that were partaking in an activity at certain times of days. Is there enough evidence to show that the activity and the time period are dependent for dolphins? Test at the 1% level. Dolphin Activity Period Activity Morning Noon Afternoon Evening Total Travel 12 42 Feed 52 84 Social 55 86 Total 119 212 6 28 27 61 8 3 2 13 16 1 2 19 State the hypotheses. Ho: Activity and the time period are Select an answer H: Activity and the time period are [Select an answer Calculate the test statistic. Round your answer to three decimal places. x² = Calculate the p-value. Round your answer to four decimal places. p-value = State your decision. Since p-value ? 0.01, Select an answer Ho- Interpret your decision in the context of the problem. At the 1% level of significance, there Select an answer time period are [Select an answer enough evidence to show that activity and the

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Researchers watched groups of dolphins to determine what activities the dolphins partake in at certain times of the day. The numbers in the table represent the number of groups of dolphins that were partaking in an activity at certain times of days. Is there enough evidence to show that the activity and the time period are dependent for dolphins? Test at the 1% level. Dolphin Activity Activity Morning Travel Feed Social Total 6 28 27 61 Period Noon Afternoon Evening Total 8 12 42 3 52 84 55 86 119 212 2 13 16 1 2 19 State the hypotheses. Ho: Activity and the time period are Select an answer Ha: Activity and the time period are Select an answer Calculate the test statistic. Round your answer to three decimal places. x² Calculate the p-value. Round your answer to four decimal places. p-value = State your decision. Since p-value ? 0.01, Select an answer ✓ Ho. Interpret your decision in the context of the problem. At the 1% level of significance, there [Select an answer enough evidence to show that activity and the time period are Select an answer
Transcribed Image Text:Researchers watched groups of dolphins to determine what activities the dolphins partake in at certain times of the day. The numbers in the table represent the number of groups of dolphins that were partaking in an activity at certain times of days. Is there enough evidence to show that the activity and the time period are dependent for dolphins? Test at the 1% level. Dolphin Activity Activity Morning Travel Feed Social Total 6 28 27 61 Period Noon Afternoon Evening Total 8 12 42 3 52 84 55 86 119 212 2 13 16 1 2 19 State the hypotheses. Ho: Activity and the time period are Select an answer Ha: Activity and the time period are Select an answer Calculate the test statistic. Round your answer to three decimal places. x² Calculate the p-value. Round your answer to four decimal places. p-value = State your decision. Since p-value ? 0.01, Select an answer ✓ Ho. Interpret your decision in the context of the problem. At the 1% level of significance, there [Select an answer enough evidence to show that activity and the time period are Select an answer
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