In 2005, Health Canada claimed that 16.8% of Canadian adults are obese. A researcher wanted to check whether this percentage has increased in 2009. He randomly selected 70 Canadian adults and found 13...

In 2005, Health Canada claimed that 16.8% of Canadian adults are obese. A researcher wanted to check whether this percentage has increased in 2009. He randomly selected 70 Canadian adults and found 13 of them are obese. Use 3% significance level. Write down the value of the test statistic (give your answer to 3 decimal places)