« previous next »

Author Question: If the shopping times for a random sample of 25 shoppers in a supermarket are normally distributed ... (Read 63 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
on: Jun 24, 2018
If the shopping times for a random sample of 25 shoppers in a supermarket are normally distributed with a known population standard deviation of 15 minutes, the standard error is equal to 0.6.
 
  Indicate whether the statement is true or false

Question 2

The covariance measures the direction and strength of any relationship between two variables.
 
  Indicate whether the statement is true or false


Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Sample preoperative checklist. Sample preoperative checklist.
Insulin Types and action times Insulin Types and action times
Parenting Styles Reported by a Representative Sample of American Adolescents Parenting Styles Reported by a Representative Sample of American Adolescents
Performance of a delayed nonmatching-to-sample trial. Performance of a delayed nonmatching-to-sample trial.
Sample prescriptions of antibiotics for prophylaxis against infective endocarditis. Sample prescriptions of antibiotics for prophylaxis against infective endocarditis.
Sample lod score curves Sample lod score curves
Video: Smoking Cessation

For a complete list of videos, visit our video library