Answer Happy

Groups of men from three different areas of the country are to
be tested for mean weight. The entries in the table are the weights
for the different groups. At the 0.05 level of significance, are
the mean weights similar throughout the country?
Group 1
Group 2
Group 3
116
202
170
198
213
165
140
284
182
187
228
197
176
210
19. What is the null hypothesis?
The mean weights are not similar throughout the country.
The mean weights similar throughout the country.
20. What is the alternative hypothesis?
The mean weights are not similar throughout the country.
The mean weights similar throughout the country.
21. What is test statistic? Please answer with two decimal
places.
22. What is the p-value? Please answer with three decimal
places.
23. What is your conclusion based on the p-value and the level
of significance?
Fail to reject the null hypothesis
Reject the null hypothesis
24. What is the proper conclusion?
At the 0.05 level of significance, the mean weights are not
similar throughout the country.
At the 0.05 level of significance, the mean weights similar
throughout the country.