When we want to test a claim about two population means, most of the time we do not know the population standard deviations, and we assume they are no

coexpennan

coexpennan

Answered question

2020-11-29

When we want to test a claim about two population means, most of the time we do not know the population standard deviations, and we assume they are not equal. When this is the case, which of the following is/are not true?
-The samples are dependent
-The two populations have to have uniform distributions
-Both samples are simple random samples
-Either the two sample sizes are large or both samples come from populations having normal distributions or both of these conditions satisfied.

Answer & Explanation

Alix Ortiz

Alix Ortiz

Skilled2020-11-30Added 109 answers

Step 1
Given :
Here, we want to test a claim about two population means and assume the population standard deviations are not equal.
For this case, following conditions should be satisfied
The samples must be independent.
The two populations have to have uniform distributions
Both samples are simple random samples
Either the two sample sizes are large or both samples come from populations having normal distributions or both of these conditions satisfied.
Step 2
Hence,
The samples are dependent is not true.

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