Saturday

April 19, 2014

April 19, 2014

Posted by **Stanley** on Friday, February 1, 2013 at 2:16am.

The responses in each group are independent of each other.

Each group is considered to be a sample from a distinct population.

The same variable is measured in both samples.

The goal is to compare the means of the two groups.

Data in two samples are matched together in pairs that are compared.

----

Which of the following statements is false?

I. We use one-sample procedures when our samples are equal in size but aren't independent.

II. Everything else being equal, a confidence interval based on 15 degrees of freedom will be narrower than one based on 10 degrees of freedom.

III. The samples used in all two-sample procedures must be of the same size.

I only

II only

III only

I and III only

None of the above gives the correct response.

**Related Questions**

Math - Need help on the question below. Which of the following questions is best...

Statistics - If x is a binomial variable with p = .4 and n = 25, write the ...

m/c - Which of the following refers to when a researcher gathers data from a ...

chemistry - Consider the following reaction: I2(g) + Cl2(g) 2ICl(g) o Kp = 81.9 ...

AP European History - How did Medieval Europe lay the groundwork for the re-...

AP Statistics (math) - Find a set of numbers that will satisfy the following ...

Statistics - 1. z test 2. t test for independent samples, and 3. t test for ...

HELP! CHEMISTRY - Which one of the following species will react with Sn at ...

Exploring Space - I need to know about the 3 conditions which are need ...

writing - Which of the following statements is not a general rule for using ...