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

Author Question: The _____ denotes the number of standard deviations xi is from the mean . a. variance b. median ... (Read 43 times)

stock

  • Hero Member
  • *****
  • Posts: 573
on: Jun 24, 2018
The _____ denotes the number of standard deviations xi is from the mean .
 a. variance
  b. median
  c. z-score
  d. normal deviation

Question 2

In order to estimate the average time spent per student on the computer terminals at a local university, data were collected for a sample of 81 business students over a one-week period. Assume the population standard deviation is 1.8 hours. With a .95 probability, the margin of error is approximately
 a. .39.
   b. 1.96.
   c. .20.
   d. 1.64.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katieost

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

a


stock

  • Hero Member
  • *****
  • Posts: 573
Reply #2 on: Jun 24, 2018
Thank you


katieost

  • Sr. Member
  • ****
  • Posts: 358
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

The number of research articles published on the topic of religious practices and spirituality have ... The number of research articles published on the topic of religious practices and spirituality have ...
The Number of Children Americans Think Are Ideal The Number of Children Americans Think Are Ideal
Average Number of Hours Slept per Day by Various Mammalian Species Average Number of Hours Slept per Day by Various Mammalian Species
Standard Precautions for the Care of all Patients in All Health Care Settings Standard Precautions for the Care of all Patients in All Health Care Settings
Massage is used as a complement to standard medical treatment in hospitals and skilled nursing ... Massage is used as a complement to standard medical treatment in hospitals and skilled nursing ...
The charge for telephone calls T is partly constant and partly varies with the number N of ... The charge for telephone calls T is partly constant and partly varies with the number N of ...
Video: Female Reproductive System - Hormonal regulation (GnRH) الجهاز التناسلي للأنثى - التنظيم الهرموني

For a complete list of videos, visit our video library