Question

Q1:A research study claims that the average mean that the kids start walking is almost 13 months. A researcher want to check if the claim is true or false. A random sample of 20 kids was selected randomly, with average mean and standard deviation 14 and 1 month respectively. Check whether the hypothesis is true or false give that t-tabulated =2.093

Q2: Resolve q1 if the sample size is 40

Answer 1

is the average age that the kids start walking.

n=20

t-tabulated =2.093

Since observed value > tabulated value so we reject the null hypothesis.

The data does not provide enough evidence to show that the average mean that the kids start walking is almost 13 months

If n = 40,

Then also we will reject the null hypothesis.