A city health department wishes to study whether or not the mean bacteria account per unit volume of water at a lake beach is below the safety level of 200. A researcher collected 10 water samples and found the bacteria counts to be: 175 190 205 193 184 207 204 193 196 180.

1) Does the data indicate that there is no cause for concern? (Choose = 0.05).

2) Find the test p-value.