« previous next »

Author Question: If raw scores ranging from 1 to 50 represented all the corresponding negative z-scores on the ... (Read 57 times)

cmoore54

  • Hero Member
  • *****
  • Posts: 568
on: Jun 20, 2018
If raw scores ranging from 1 to 50 represented all the corresponding negative z-scores on the distribution, and raw scores ranging from 50 to 100 represented all the corresponding positive z-scores, what would be the total relative frequency of 50 to 100?
 
  a. 1.00 c. 0.50
  b. 0.75 d. 0.25

Question 2

If a class's scores are normally distributed, with a mean of 70 and a standard deviation of 10, what are the upper and lower limits of the middle 68 of the class?
 
  a. 50 and 90 c. 60 and 80
  b. 40 and 100 d. 32 and 68


frre432

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Body plan of an arthropod, as represented by a grasshopper Body plan of an arthropod, as represented by a grasshopper
The Scopes Trial: William Jennings Bryan (right) represented the state of Tennessee, and Clarence Da The Scopes Trial: William Jennings Bryan (right) represented the state of Tennessee, and Clarence Da
A Negative Afterimage A Negative Afterimage
Major Findings of the High Scope Preschool Study High Scope participants showed better academic per Major Findings of the High Scope Preschool Study High Scope participants showed better academic per
Young adults with low levels of parental support report significantly better scores on measures of ... Young adults with low levels of parental support report significantly better scores on measures of ...
Expected Distribution of IQ Scores Expected Distribution of IQ Scores
Video: Gastrin (protein digestion)

For a complete list of videos, visit our video library