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

Author Question: Which of the following is a measure of dispersion? a. percentiles b. quartiles c. interquartile ... (Read 58 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
on: Jun 24, 2018
Which of the following is a measure of dispersion?
 a. percentiles
  b. quartiles
  c. interquartile range
  d. All of the answers are correct.

Question 2

The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. With a .95 probability, the sample mean will provide a margin of error of
 a. 1.96.
   b. .10.
   c. .196.
   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

aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

c


nramada

  • Member
  • Posts: 580
Reply 2 on: Jun 24, 2018
Gracias!

blakcmamba

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Using a sphygmomanometer to measure blood pressure. Using a sphygmomanometer to measure blood pressure.
Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
Types of Problems Used to Measure Intelligence Types of Problems Used to Measure Intelligence
Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ... Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ...
Using a goniometer to measure joint ROM. Using a goniometer to measure joint ROM.
Ways to Measure Percentage of Body Fat Ways to Measure Percentage of Body Fat
Video: Non-polar compounds - insolubility

For a complete list of videos, visit our video library