Sunday

January 25, 2015

January 25, 2015

Posted by **Bori** on Thursday, November 10, 2011 at 1:54pm.

- Statistic & Probability -
**Bori**, Thursday, November 10, 2011 at 1:55pm16. Determine the appropriate approach to conduct a hypothesis test for this claim: Fewer than 5% of patients experience negative treatment effects. Sample data: Of 500 randomly selected patients, 2.2% experience negative treatment effects (5 point).

A) Use the normal distribution.

B) Use the Student t distribution.

C) Use the chi-square distribution.

D) Use nonparametric or bootstrapping methods.

17. Determine the appropriate approach to conduct a hypothesis test for this claim: The systolic blood pressure of men who run at least five miles each week varies less than does the systolic blood pressure of all men. Sample data: n = 100 randomly selected men who run at least five miles each week, sample mean = 108.4, and s = 20.3 (5 point).

A) Use the normal distribution.

B) Use the Student t distribution.

C) Use the chi-square distribution.

D) Use nonparametric or bootstrapping methods.

18. Determine the appropriate approach to conduct a hypothesis test for this claim: The mean sodium content of a 30 g serving of snack crackers is 2,200 mg. Sample data: n = 130 snack crackers, sample mean = 3,100 mg, and s = 570. The sample data appear to come from a normally distributed population (5 point).

A) Use the normal distribution.

B) Use the Student t distribution.

C) Use the chi-square distribution.

D) Use nonparametric or bootstrapping methods.

**Answer this Question**

**Related Questions**

Statistic - In a population of over 15,000 patients, the distribution of ...

MTH233/statistics UOP - A car company says that the mean gas mileage for its ...

Statistics - The national centre of health statistics reports that the mean ...

Statistics - Jim's systolic blood pressure is a random variable with a mean of ...

statistics - The p value is the: a. probability with which a test statistic ...

statistics - The p value is the: a. probability with which a test statistic ...

biology - What must the systolic blood pressure be valued at for adequate mean ...

statistics - The p value is the: a. probability with which a test statistic ...

hypothesis statistic - how a t Test can be employed in hypothesis testing by ...

statistics - A student of the author surveyed her friends and found that among ...