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Exhibit 20

Question 12

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Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( ) ,while those in rural areas use bank cards 10 times per month on average ( ) . Refer to Exhibit 20.1.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates? A) B) C) D) E) ) ,while those in rural areas use bank cards 10 times per month on average ( Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( ) ,while those in rural areas use bank cards 10 times per month on average ( ) . Refer to Exhibit 20.1.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates? A) B) C) D) E) ) .
Refer to Exhibit 20.1.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates?


A) Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( ) ,while those in rural areas use bank cards 10 times per month on average ( ) . Refer to Exhibit 20.1.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates? A) B) C) D) E)
B) Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( ) ,while those in rural areas use bank cards 10 times per month on average ( ) . Refer to Exhibit 20.1.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates? A) B) C) D) E)
C) Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( ) ,while those in rural areas use bank cards 10 times per month on average ( ) . Refer to Exhibit 20.1.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates? A) B) C) D) E)
D) Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( ) ,while those in rural areas use bank cards 10 times per month on average ( ) . Refer to Exhibit 20.1.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates? A) B) C) D) E)
E) Exhibit 20.1 A researcher is interested in comparing the usage of bank debit cards by consumers in rural (r) and urban (u) areas.Each year for the past five years,she has surveyed 500 individuals (one-half urban,one-half rural) randomly selected from across the United States.She is specifically interested in any differences that may exist between the two groups with regard to usage.The results of the current study indicate that people in urban areas use bank debit cards 12 times per month on average ( ) ,while those in rural areas use bank cards 10 times per month on average ( ) . Refer to Exhibit 20.1.Which of the following is the null hypothesis that the researcher should use in comparing the usage rates? A) B) C) D) E)

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