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

Author Question: A cell phone company wants to determine if the use of text messaging is independent of age. The ... (Read 95 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
on: Jun 24, 2018
A cell phone company wants to determine if the use of text messaging is independent of age. The following data has been collected from a random sample of customers.
 
  Regularly use text messaging Do not regularly use text messaging
  Under 21 82 38
  21-39 57 34
  40 and over 6 8
 
  Using this data, if we wish to test whether the preferred news source is independent of age using a 0.05 level of significance, the critical value is 5.9915.
   Indicate whether the statement is true or false

Question 2

When the correlation coefficient for the two variables was -0.23, it implies that the two variables are not correlated because the correlation coefficient cannot be negative.
 
  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

leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

FALSE


SAVANNAHHOOPER23

  • Member
  • Posts: 542
Reply 2 on: Jun 24, 2018
Wow, this really help

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

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

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Animal Cell Animal Cell
Animal Cell Diagram Animal Cell Diagram
Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ... Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ...
Sickle-cell hemoglobin Sickle-cell hemoglobin
The major events in meiosis in an animal cell The major events in meiosis in an animal cell
Glomeromycete hypha branching inside the cell of a plant root. Glomeromycete hypha branching inside the cell of a plant root.
Video: Fertilization and Development

For a complete list of videos, visit our video library