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

Author Question: Professor Jones has given a statistics test to her class. After grading the tests she reports to the ... (Read 41 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jun 20, 2018
Professor Jones has given a statistics test to her class. After grading the tests she reports to the class that the mean score was a 99 and the standard deviation was 0 . The class will be very happy because:
 
  a. Only a few students failed the test.
  b. Most people did moderately well on the test.
  c. Everyone got a 99.
  d. Most people scored around 99.

Question 2

If a group of scores are tightly clustered around the mean, they will have a:
 
  a. small median.
  b. small variance.
  c. small N.
  d. all of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sassygurl126

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

B


Shelles

  • Member
  • Posts: 582
Reply 2 on: Jun 20, 2018
Wow, this really help

LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Triceps Reflex Test Triceps Reflex Test
Student Raises Hand in Class Student Raises Hand in Class
Wet Compression Test Wet Compression Test
Controlled Scientific Experiments Scientists use experimental research to test hypotheses Controlled Scientific Experiments Scientists use experimental research to test hypotheses
Correlations between scores on a psychology test and number of boiled kumquats eaten per month Correlations between scores on a psychology test and number of boiled kumquats eaten per month
Outgroup role in relative rate test Outgroup role in relative rate test
Video: Factors that increase metabolic rate and heat production

For a complete list of videos, visit our video library