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 239 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?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

A health history is essential in collecting subjective data about metabolic acidosis. A health history is essential in collecting subjective data about metabolic acidosis.
Air-Temperature Data Air-Temperature Data
The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ... The material safety data sheet (MSDS) for sulfuric acid showing the detailed technical information ...
How to calculate the mean for grouped data How to calculate the mean for grouped data
Statistics Canada, Labour Force Survey Statistics Canada, Labour Force Survey
Statistics Question: A swim team Statistics Question: A swim team
Video: The pH scale - Strong acids and Weak acids

For a complete list of videos, visit our video library