A researcher is concerned about Australians’ physical activity during the lockdown. S/he wants to understand whether the frequency of physical activity during the COVID-19 lockdown depends on the types of physical activity. The following table shows the frequency of doing different types of physical activity during lockdown in a random sample of Australians (n= 218218). Use the table to answer the questions which follow. The researcher would like to answer the following research question: “Do Australians’ frequency of physical activity during lockdown depends on the exercise types?” S/he sets up the following null and alternative hypotheses to answer the research question.
A researcher is concerned about Australians’ physical activity during the lockdown. S/he wants to understand whether the frequency of physical activity during the COVID-19 lockdown depends on the types of physical activity.
The following table shows the frequency of doing different types of physical activity during lockdown in a random sample of Australians (n= 218218). Use the table to answer the questions which follow.
The researcher would like to answer the following research question: “Do Australians’ frequency of physical activity during lockdown depends on the exercise types?” S/he sets up the following null and alternative hypotheses to answer the research question.
?0:H0: There is no association between types of physical activity and frequency of physical activity during lockdown.
?1:H1: There is an association between types of physical activity and frequency of physical activity during lockdown.
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What is the
expected value for Yoga participants who exercised weekly? (3dp) -
The absolute value of the test statistic is equal to (type your answer with 3 dp)
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The degrees of freedom is equal to (type your answer as an integer)
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