Question: A branch of a county library has always been closed on Sundays. Due to budget cuts, next year it must close one additional day each week. If there is any difference in the number of people entering the library on different days of the week, the head librarian would like to close on the day of the week when the fewest people use the library. He randomly selects five Mondays, five Tuesdays, five Wednesdays, five Thursdays, five Fridays, and five Saturdays over an eight-month period and counts the number of people entering the library each day. At the five percent level of significance, is there any difference in the average number of people entering the library each day of the week?
Mon.
|
Tues.
|
Weds.
|
Thurs.
|
Fri.
|
Sat.
|
175
|
155
|
166
|
145
|
163
|
197
|
158
|
191
|
179
|
169
|
185
|
221
|
162
|
142
|
173
|
177
|
179
|
193
|
187
|
156
|
152
|
161
|
194
|
212
|
151
|
188
|
133
|
154
|
182
|
206
|