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Author Question: A cell phone company wants to determine if the use of text messaging is independent of age. The ... (Read 75 times)

SAVANNAHHOOPER23

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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


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leahm14

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Reply #1 on: Jun 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

FALSE


SAVANNAHHOOPER23

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Reply 2 on: Jun 24, 2018
Wow, this really help

jamesnevil303

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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