This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What type of error occurs if you fail to reject H0 when, in fact, it is not true? a. Type II b. ... (Read 88 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
on: Jun 24, 2018
What type of error occurs if you fail to reject H0 when, in fact, it is not true?
 a. Type II
  b. Type I
  c. either Type I or Type II, depending on the level of significance
  d. either Type I or Type II, depending on whether the test is one tail or two tail

Question 2

The makers of a soft drink want to identify the average age of its consumers. A sample of 55 consumers was taken. The average age in the sample was 21 years with a standard deviation of 4 years.
 a. Construct a 95 confidence interval for the true average age of the consumers.
  b. Construct an 80 confidence interval for the true average age of the consumers.
  c. Discuss why the 95 and 80 confidence intervals are different.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mk6555

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

a. 19.92 to 22.08
b. 20.30 to 21.70
c. As the level of confidence decreases, the confidence interval gets narrower.


penguins

  • Member
  • Posts: 903
Reply 2 on: Jun 24, 2018
Gracias!

parker125

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Compression Occurs in vertebrae subjected to extreme stresses, as when one falls and lands on his or Compression Occurs in vertebrae subjected to extreme stresses, as when one falls and lands on his or
Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc Breast cancer. Notice the tumor growing within a lactiferous gland, which occurs in infiltrating duc
The transition between steps usually occurs at a temperature that would not interfere with cold ... The transition between steps usually occurs at a temperature that would not interfere with cold ...
Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria Biosynthesis of methionine and threonine from homoserine, as it occurs in plants and bacteria
Immune-to-brain signaling occurs in response to infection, injury, and inflammation that occur in pe Immune-to-brain signaling occurs in response to infection, injury, and inflammation that occur in pe
Video: Virtual Enzyme Kinetics & Lineweaver Burk Plot

For a complete list of videos, visit our video library