Question

01.17: A claim is made that boys start walking at a younger age than
girls. A random sample of 18 girls started walking at a mean age of 12,5
months with a standard deviation of 0.8 months. A sample of 12 boys had
a mean of 12.1 and a standard deviation of 0.7. Test the hypothesis at a
1% significance level​

Answer 1

Answer:

I don't know sorry.....