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 189 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?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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.

Urinary tract infection. A UTI is characterized by fever, lumbar or abdominal pain, and pain or burn Urinary tract infection. A UTI is characterized by fever, lumbar or abdominal pain, and pain or burn
To maintain balance the bipedal pelvis has a foreshortened ilium and is broader and bowl-shaped. The To maintain balance the bipedal pelvis has a foreshortened ilium and is broader and bowl-shaped. The
A) Butterfly-shaped lupus rash. Lupus is the Latin word for wolf; the face rash was thought to look ... A) Butterfly-shaped lupus rash. Lupus is the Latin word for wolf; the face rash was thought to look ...
Early geologists discovered evidence of past glaciations in U-shaped valleys Early geologists discovered evidence of past glaciations in U-shaped valleys
Chemistry is very interesting to me. I hope one I can pursue an online Bachelor of Science in Chemi Chemistry is very interesting to me. I hope one I can pursue an online Bachelor of Science in Chemi
An eager graduate student at Carleton, counts geese in the marshes off the Ottawa river. In ... An eager graduate student at Carleton, counts geese in the marshes off the Ottawa river. In ...
Video: Enzyme-Catalyzed Reactions

For a complete list of videos, visit our video library