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3. is there an association between gender and concerns about data...

# Question: is there an association between gender and concerns about data...

###### Question details

Is there an association between gender and concerns about data privacy? A sample was collected from 800 teenage students and the table of observed frequency, expected frequency and chi square contributions are provided below.

a.       Calculate the Expected frequency and the Chi-square contribution for Boy and More concerned (indicated with question marks in the tables below) and perform Chi-square analysis to answer the question above at 5% level.

b.       What will be your conclusion if the significance level is now 1%?

 OBSERVED Frequency More concerned Less concerned TOTAL Boy 185 220 405 Girl 213 182 395 TOTAL 398 402 800

 EXPECTED Frequency More concerned Less concerned TOTAL Boy ? 405 Girl 395 TOTAL 398 402 800

 Chi-Square Contribution More concerned Less concerned TOTAL Boy ? 1.34 2.68 Girl 1.38 1.37 2.75 TOTAL 2.73 2.71 5.44