Identify which type of t-test you would use.

A researcher would like to see if a new drug is more effectivethan the standard treatment at lowering cholesterol.

• one sample t-test
• two sample t-test
• paired t-test

A researcher would like to determine if smoking e-cigarettes decreases the risk of COPD

• one sample t-test
• two sample t-test
• paired t-test

A researcher believes that a new protocol in assessing strokes byEMTswill increase survival times for stroke victims

• one sample t-test
• two sample t-test
• paired t-test

A researcher believes that a new protocol in assessing strokes byEMTswill increase survival times for stroke victims

• one sample t-test
• two sample t-test
• paired t-test

A researcher wants to test if a diet results in a weight loss of more than 10 pounds

• one sample t-test
• two sample t-test
• paired t-test