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

Author Question: A group of 100 students took a test. The mean score was 75, the standard deviation was 5, and the ... (Read 48 times)

jwb375

  • Hero Member
  • *****
  • Posts: 540
on: Jul 8, 2018
A group of 100 students took a test. The mean score was 75, the standard deviation was 5, and the scores were normally distributed. About how many scores fell between 70 and 80?
 
  A) 34
  B) 68
  C) 95
  D) Impossible to determine

Question 2

If the bulk of scores from a test occurred at the upper end of the distribution, the distribution could be described as:
 
  A) Normal
  B) Bimodal
  C) Positively skewed
  D) Negatively skewed


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

popopong

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jul 8, 2018
Answer to Question 1

B

Answer to Question 2

D


jwb375

  • Member
  • Posts: 540
Reply 2 on: Jul 8, 2018
Gracias!

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Range of Motion of the Wrist and Hand Joints, Radial and Ulnar Deviation of the Wrist Range of Motion of the Wrist and Hand Joints, Radial and Ulnar Deviation of the Wrist
The heme group The heme group
The heme group viewed from the side. This view shows the two coordination bonds to Fe2+ The heme group viewed from the side. This view shows the two coordination bonds to Fe2+
Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ... Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ...
Basic Food Group Choices for a 1,200 Calorie Eating Plan Basic Food Group Choices for a 1,200 Calorie Eating Plan
Cover test Cover test
Video: Hypoglycemia Animation

For a complete list of videos, visit our video library