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

Author Question: A sample of students who have taken a calculus test has a mean score of 78.2, a mode of 67, and a ... (Read 88 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
on: Jul 24, 2018
A sample of students who have taken a calculus test has a mean score of 78.2, a mode of 67, and a median score of 67 . Based on this information, the distribution of test scores is:
 a. symmetric
  b. right skewed
  c. left skewed
  d. bimodal
  e. none of these

Question 2

The Student's t-distribution is distributed symmetrically about its mean, and approaches the standard normal distribution as the number of degrees of freedom increases.
  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

jaymee143

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

T


moongchi

  • Member
  • Posts: 516
Reply 2 on: Jul 24, 2018
Wow, this really help

gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Excellent

« previous next »
 

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?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Administration of the Rinne test. Administration of the Rinne test.
The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
How to solve optimization problems in calculus (Part 5) How to solve optimization problems in calculus (Part 5)
Wet Compression Test Wet Compression Test
Calculus help: Show that y has three points of inflection and they all lie on... Calculus help: Show that y has three points of inflection and they all lie on...
Video: Photosynthesis and Van Helmont Experiment

For a complete list of videos, visit our video library