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

Author Question: A student took a chemistry exam where the exam scores were mound-shaped with a mean score of 90 and ... (Read 418 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
on: Jul 24, 2018
A student took a chemistry exam where the exam scores were mound-shaped with a mean score of 90 and a standard deviation of 64 . She also took a statistics exam where the scores were mound-shaped, the mean score was 70 and the standard deviation was 16 . If the student's grades were 102 on the chemistry exam and 77 on the statistics exam, then:
 a. the student did relatively better on the chemistry exam than on the statistics exam, compared to the other students in each class.
  b. the student did relatively better on the statistics exam than on the chemistry exam, compared to the other students in the two classes.
  c. the student's scores on both exams are comparable, when accounting for the scores of the other students in the two classes.
  d. it is impossible to say which of the student's exam scores indicates the better performance.
  e. the student did relatively the same on both exams.

Question 2

In comparing two independent means when the 's are unknown, we may use the standard normal distribution.
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cat123

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

F


Deast7027

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


cat123

  • Sr. Member
  • ****
  • Posts: 310
Reply #3 on: Jul 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

bimanual exam bimanual exam
Eye exam Eye exam
Gram-stained bacteria on a microscope slide. (A) Red rod-shaped cells are Escherichia coli (Courtesy ... Gram-stained bacteria on a microscope slide. (A) Red rod-shaped cells are Escherichia coli (Courtesy ...
Student Test Scores versus GDP per Capita Student Test Scores versus GDP per Capita
General, Organic, and Biological Chemistry, 3rd edition General, Organic, and Biological Chemistry, 3rd edition
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
Video: Natural Selection, Species Isolation and Real World Example

For a complete list of videos, visit our video library