Question

Chi-Square Goodness of Fit Example (10 points) A shop owner claims that an equal number of customers come into his shop each weekday. To test this hypothesis, an independent researcher records the number of customers that come into the shop on a given week and finds the following: Monday: 50 customers Tuesday: 60 customers Wednesday: 40 customers Thursday: 47 customers Friday: 53 customers 1) What is the null hypothesis in words? (1 pt) 2) Fill in the chart below (3pts) Column1 Observed Expected $(O-E)^2/E$ Monday Tuesday Wednesday Thursday Friday Total 3) What is the chi-square value? (2 pts) 4) Enter degrees of freedom (1 pt) 5) Assuming 5% significance, manually look up the critical value (1 pt) 6) Is the shop owner is correct or incorrect? Why? (2 pts)

          Chi-Square Goodness of Fit Example (10 points)
A shop owner claims that an equal number of customers come into his shop each weekday.
To test this hypothesis, an independent researcher records the number of customers that come into the shop on a given week and finds the following:
Monday: 50 customers
Tuesday: 60 customers
Wednesday: 40 customers
Thursday: 47 customers
Friday: 53 customers
1) What is the null hypothesis in words? (1 pt)
2) Fill in the chart below (3pts)
Column1	Observed	Expected	$(O-E)^2/E$
Monday
Tuesday
Wednesday
Thursday
Friday
Total
3) What is the chi-square value? (2 pts)
4) Enter degrees of freedom (1 pt)
5) Assuming 5% significance, manually look up the critical value (1 pt)
6) Is the shop owner is correct or incorrect? Why? (2 pts)

Chi-Square Goodness of Fit Example (10 points)
A shop owner claims that an equal number of customers come into his shop each weekday.
To test this hypothesis, an independent researcher records the number of customers that come into the shop on a given week and finds the following:
Monday: 50 customers
Tuesday: 60 customers
Wednesday: 40 customers
Thursday: 47 customers
Friday: 53 customers
1) What is the null hypothesis in words? (1 pt)
2) Fill in the chart below (3pts)
Column1 Observed Expected (O-E)^2/E
Monday
Tuesday
Wednesday
Thursday
Friday
Total
3) What is the chi-square value? (2 pts)
4) Enter degrees of freedom (1 pt)
5) Assuming 5% significance, manually look up the critical value (1 pt)
6) Is the shop owner is correct or incorrect? Why? (2 pts)

Added by Jose Francisco H.

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