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

Author Question: A 95 percent confidence interval for a mean will contain 95 percent of the population within the ... (Read 33 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
on: Jun 24, 2018
A 95 percent confidence interval for a mean will contain 95 percent of the population within the interval.
 
  Indicate whether the statement is true or false

Question 2

The following data reflect the number of customers who return merchandise for a refund on Monday. Note these data reflect the population of all 10 Mondays for which data are available.
 
  40 12 17 25 9
  46 13 22 16 7
 
  Assume that this same exact pattern of data were replicated for the next ten days. How would this affect the standard deviation for the new population with 20 items?
  A) The standard deviation would be doubled.
  B) The standard deviation would be cut in half.
  C) The standard deviation would not be changed.
  D) There is no way of knowing the exact impact without knowing how the mean is changed.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kedrick2014

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

C


Chelseaamend

  • Member
  • Posts: 545
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of
Population Losses in the South, 1920–1930 Population Losses in the South, 1920–1930
A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ... A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ...
World Population Growth, 1750-2150 World Population Growth, 1750-2150
Human population growth, 1700 - present Human population growth, 1700 - present
Twenty percent of the automobiles inspected at a state inspection station required repairs to ... Twenty percent of the automobiles inspected at a state inspection station required repairs to ...
Video: First Stage of Labor and Delivery Video

For a complete list of videos, visit our video library