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

Author Question: At Cedar Rapids Community College, administrators want to determine the average commuting distance ... (Read 109 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
on: Jun 24, 2018
At Cedar Rapids Community College, administrators want to determine the average commuting distance for their students who commute to school. They randomly select 250 students who commute and ask them the distance of their commute to campus. From this group a mean of 19.3 miles is computed.
 a. Describe/find the parameter.
  b. Describe/find the statistic.
  c. Describe the population.
  d. Describe the sample.

Question 2

In regression analysis, an outlier is an observation whose _____.
 a. mean is larger than the standard deviation
  b. residual is 0
  c. mean is 0
  d. residual is much larger than the rest of the residual values


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Edwyer

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. The mean commute distance for all commuting students at the college.
b. 19.3 miles.
c. All commuting students enrolled at the college.
d. The 250 randomly selected commuting students.

Answer to Question 2

d


mpobi80

  • Member
  • Posts: 519
Reply 2 on: Jun 24, 2018
Excellent

mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

A boy walks past a member of the unofficial “community police” in Cruz Grande, Guerrero, Mexico. A boy walks past a member of the unofficial “community police” in Cruz Grande, Guerrero, Mexico.
Who Goes to College? Comparing Social Class and Ability in Determining College Attendance Who Goes to College? Comparing Social Class and Ability in Determining College Attendance
How to determine an exponential relation from a table of values How to determine an exponential relation from a table of values
Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011 Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Nitin earns $48,000 per year. Determine his gross earnings for each pay period if he is paid ... Nitin earns $48,000 per year. Determine his gross earnings for each pay period if he is paid ...
Video: B cells and antibodies

For a complete list of videos, visit our video library