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

Author Question: The mean of a set of data is 380.65 and its standard deviation is 82.45. Find the z-score for a ... (Read 51 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jul 25, 2018
The mean of a set of data is 380.65 and its standard deviation is 82.45. Find the z-score for a value of 405.71. Round your final answer to two decimal places.
 
  A) 0.60 B) 0.27 C) 0.30 D) 0.33

Question 2

A magazine publisher always mails out a questionnaire six months before a subscription ends. This questionnaire asks its subscribers if they are going to renew their subscriptions.
 
  On average, only 8 of the subscribers respond to the questionnaire. Of the 8 who do respond, an average of 41 say that they will renew their subscription. This 8 who respond to the questionnaire are known as what?
  A) The population B) The sample


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bobsmith

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

B


olgavictoria

  • Member
  • Posts: 528
Reply 2 on: Jul 25, 2018
Wow, this really help

essyface1

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Find the temperature of the room (above the outside temperature) at the end of 120 min Find the temperature of the room (above the outside temperature) at the end of 120 min
Find the x- intercepts Find the x- intercepts
How to find the reaction for each of the beams below. How to find the reaction for each of the beams below.
Find an equation of the tangent line to the graph of f(x) = sqrt(x) / (x+1) at the point x=1 Find an equation of the tangent line to the graph of f(x) = sqrt(x) / (x+1) at the point x=1
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia). Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).
Sample lod score curves Sample lod score curves
Video: Chronology of leptin research (A history of leptin research)

For a complete list of videos, visit our video library