Statistics

What digits are considered odd?

1, 3, 5, 7, and 9 are odd.

What digits are considered even?

0, 2, 4, 6, and 8 are even.

How many even digits would you expect on average in a random sample of 60 digits?

30 even digits.

What percentage of a sample would we expect to read print books exclusively if 37% of Americans do?

37%.

What is the standard error for a sample proportion?

The standard error equals 0.028.

Is there evidence that Measure X will fail based on the confidence interval?

No, there is not enough evidence to conclude that Measure X will fail.

What is an important condition for the Central Limit Theorem?

Random sampling is one important condition.

What does it mean if standard error captures zero in a confidence interval?

It suggests that the proportions are the same.

Can we conclude causation based on this data set?

No, we cannot conclude causation from the data.