Question

In the United States: 4.) • 65% of people have 1 dating app on their phone • 20% of people have 2 dating apps on their phone • 10% of people have 3 dating apps on their phone • 5% of people have 4 or more dating apps on their phone In a survey of 100 students from a local University the following information was found: • 60 of the students had 1 dating app • 25 of the students had 2 dating apps • 10 of the students had 3 dating apps • 5 of the students had 4 or more dating apps Is there a significant difference in the numbers of dating apps in the students sample versus the nation-wide statistics? Use the Chi Square Goodness-of-Fit Test using an alpha level of .05. F ill out the table below and answer the following questions. Given Population % Observed # Expected # O-E $(O-E)^2$ $(O-E)^2/E$ 100% Total= Chi Square= 1.) DF= (5 points) 2.) Critical value (page 711)= (5 points) 3.) Obtained value (Chi-Square number)= (5 points) 4.) Decision on the Null- (5 points)

          In the United States:
4.)
• 65% of people have 1 dating app on their phone
• 20% of people have 2 dating apps on their phone
• 10% of people have 3 dating apps on their phone
• 5% of people have 4 or more dating apps on their phone
In a survey of 100 students from a local University the following information was found:
• 60 of the students had 1 dating app
• 25 of the students had 2 dating apps
• 10 of the students had 3 dating apps
• 5 of the students had 4 or more dating apps
Is there a significant difference in the numbers of dating apps in the students sample versus the nation-wide statistics? Use the Chi Square Goodness-of-Fit Test using an alpha level of .05.
F ill out the table below and answer the following questions.
Given Population % Observed # Expected # O-E  $(O-E)^2$  $(O-E)^2/E$
100%
Total=
Chi Square=
1.) DF=
(5 points)
2.) Critical value (page 711)=
(5 points)
3.) Obtained value (Chi-Square number)=
(5 points)
4.) Decision on the Null-
(5 points)

In the United States:
4.)
• 65% of people have 1 dating app on their phone
• 20% of people have 2 dating apps on their phone
• 10% of people have 3 dating apps on their phone
• 5% of people have 4 or more dating apps on their phone
In a survey of 100 students from a local University the following information was found:
• 60 of the students had 1 dating app
• 25 of the students had 2 dating apps
• 10 of the students had 3 dating apps
• 5 of the students had 4 or more dating apps
Is there a significant difference in the numbers of dating apps in the students sample versus the nation-wide statistics? Use the Chi Square Goodness-of-Fit Test using an alpha level of .05.
F ill out the table below and answer the following questions.
Given Population % Observed # Expected # O-E $(O-E)^2$ $(O-E)^2/E$
100%
Total=
Chi Square=
1.) DF=
(5 points)
2.) Critical value (page 711)=
(5 points)
3.) Obtained value (Chi-Square number)=
(5 points)
4.) Decision on the Null-
(5 points)

Added by Silvia C.

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