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

Author Question: In computing descriptive statistics for grouped data, the _____ are used to approximate the data ... (Read 228 times)

bucstennis@aim.com

  • Hero Member
  • *****
  • Posts: 532
on: Jun 24, 2018
In computing descriptive statistics for grouped data, the _____ are used to approximate the data values in each class.
 a. class lower limits
  b. class upper limits
  c. class midpoints
  d. class ranges

Question 2

There are 500 employees in a firm, 45 are female. A sample of 60 employees is selected randomly.
 a. Determine the standard error of the proportion.
  b. What is the probability that the sample proportion (proportion of females) is between 0.40 and 0.55?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Rilsmarie951

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

a. 0.0603
b. 0.7482


bucstennis@aim.com

  • Hero Member
  • *****
  • Posts: 532
Reply #2 on: Jun 24, 2018
Thank you :)


Rilsmarie951

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Energy budget for a temperate deciduous forest (data from Gosz et al. 1978). Energy budget for a temperate deciduous forest (data from Gosz et al. 1978).
Pocket gophers and ecosystem structure (data from Huntly and Inouye 1988). Pocket gophers and ecosystem structure (data from Huntly and Inouye 1988).
Zonal wind speeds on Uranus. Shaded areas show the southern collar and its future northern counterpa Zonal wind speeds on Uranus. Shaded areas show the southern collar and its future northern counterpa
Dimensions for gathering data Dimensions for gathering data
Cross-sectional data showing that the amount of effort spent on personal health care increases with Cross-sectional data showing that the amount of effort spent on personal health care increases with
Statistics Center (07/2016) Statistics Center (07/2016)
Video: Transcription—A molecular view

For a complete list of videos, visit our video library