In CDMX, the population average of the age of pregnant women is 19 years.
A sociologist believes that in the city where she lives the average is higher.
For this, she selected 72 pregnant women, obtaining a mean of 20.7 years with a standard deviation of 6.3 years.
We want to test the research hypothesis with a significance level of 0.05.
Choose
1.The correct conclusion
2.The correct interpretation
Select one:
1.H0 is rejected
2. With a confidence level of 95%, it can be ensured that the population mean age of pregnant women is not greater than 19 years in the city of the sociologist.
1.H0 is not rejected
2. With a confidence level of 95%, it can be ensured that the population mean age of pregnant women is not greater than 19 years in the city of the sociologist.
1.H0 is not rejected
2. It can be ensured, with 95% confidence, that the population mean age of pregnant women is greater than 19 years in the city of the sociologist
1.H0 is rejected
2. It can be ensured, with 95% confidence, that the population mean age of pregnant women is greater than 19 years in the city of the sociologist