We are performing a one-sample t-test about mean. The sample size is 16, the sample mean 5.7, the sample standard deviation is 1.3, and the testing mean is 6.1.

What is the value of the test statistic?

• 5.700
• -0.077
• 0.077
• 1.231
• -1.231

We are performing a one-sample z-test about proportion. The sample size is 400, the sample proportion 210/400,and the testing proportion is .48.

What is the value of the test statistic?

• 0.480
• 0.475
• 0.000
• 0.525
• 1.801