The table below lists the number of crimes reported at a police station on each day of the week for the past three months.
Day of the Week Monday Tuesday Wednesday Thursday Friday Saturday Sunday Number of Crimes 21 10 13 16 25 29 26
The null hypothesis for the goodness-of-fit test is that the number of crimes reported at this police station is the same for each day of the week The significance level is 10 %. What is the critical value of chi-square?
12.017
14.067
10.645
12.592
Homework Answers
The critical chi-square is calculated using Table shown below at 0.10 significance level and at n-1 degree of freedom.
Here n=7 so, n-1=7-1=6 degree of freedom, so, using Table as:
So,
the critical value would be 10.645
What is the expected number of crimes reported on a Thursday?
The table below lists the number of crimes reported at a police station on each day of the week for the past three months. Day of the WeekNumber of Crimes Monday Tuesday Wednesday Thursday Friday Saturday Sunday The null hypothesis for the goodness-of-fit test is that the number of crimes reported at this police station is the same for each day of the week. What is the expected number of crimes reported on a Thursday?
What is the value of the test statistic?
The table below lists the number of crimes reported at a police station on each day of the week for the past three months. The null hypothesis for the goodness-of-fit test is that the number of crimes reported at this police station is the same for each day of the week. What is the value of the test statistic?
What are the degrees of freedom for this test?
The table below lists the number of crimes reported at a police station on each day of the week for the past three months. The null hypothesis for the goodness-of-fit test is that the number of crimes reported at this police station is the same for each day of the week. What are the degrees of freedom for this test?
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The table below lists the number of crimes reported at a police station on each day of the week for the past three months. Day of the WeekNumber of Crimes Monday Tuesday Wednesday Thursday Friday Saturday Sunday The null hypothesis for the goodness-of-fit test is that the number of crimes reported at this police station is the same for each day of the week. What is the expected number of crimes reported on a Thursday?
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