You Are Given the Following Information Obtained from a Random

question 63

Essay

You are given the following information obtained from a random sample of 5 observations.Assume the population has a normal distribution. ​
You want to determine whether or not the mean of the population from which this sample was taken is significantly less than 21.
a.
State the null and the alternative hypotheses.
b.
Compute the standard error of the mean.
c.
Determine the test statistic.
d.
Determine the p-value and at the 10% level of significance, test whether or not the mean of the population is significantly less than 21.

---

Definitions:

Ampulla

A dilated section of a canal or duct, such as the ampulla of Vater in the digestive system, which aids in the digestion process by releasing bile and pancreatic juices into the small intestine.

Ossicles

The three small bones in the middle ear called the malleus, incus, and stapes, which help in transmitting sound vibrations to the inner ear.

Malleus

Bone found in the middle ear that assists in the transmission of sound to the inner ear; also called the hammer.

Tympanic Membrane

A thin membrane that separates the external ear from the middle ear and vibrates in response to sound waves; also known as the eardrum.