Author Question: Using the numbers in Exhibit 6-1, determine the mean. Using the numbers in Exhibit 6-1, determine ... (Read 78 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
Using the numbers in Exhibit 6-1, determine the mean.
 
  Using the numbers in Exhibit 6-1, determine the mean.

Question 2

Using the numbers in Exhibit 6-1, if you want to end up with four bars on your histogram, how many numbers should be in each interval?
 
  What will be an ideal response?

Question 3

A group of graduate students studying psychology take a national comprehensive exam. On the test, their mean score is about 0.5 standard deviation above the mean as compared to the national score. The variability of their scores is less than the national mean. If passing is 1 standard deviation below the mean, it is likely that many have failed.
 
  a. True
  b. False



FergA

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

ANSWER: Mean: 13

Answer to Question 2

ANSWER: 3
How to figure problem: (18  8)/4 = 2.5 (rounded off to 3)

Answer to Question 3

ANSWER: False



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jman1234

  • Hero Member
  • *****
  • Posts: 560
Both answers were spot on, thank you once again



FergA

  • Sr. Member
  • ****
  • Posts: 352

 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

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

For a complete list of videos, visit our video library